{"id":115445,"date":"2019-10-04T22:32:32","date_gmt":"2019-10-05T02:32:32","guid":{"rendered":"https:\/\/www.gunsamerica.com\/digest\/?p=115445"},"modified":"2019-10-04T22:32:32","modified_gmt":"2023-09-06T03:45:23","slug":"squeeze-cocker-magic-ks-p7m8-a-modern-old-design","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/squeeze-cocker-magic-ks-p7m8-a-modern-old-design\/","title":{"rendered":"Squeeze Cocker Magic: HK&#8217;s P7M8 \u2013 A Modern Old Design"},"content":{"rendered":"\n<p>Even though it&#8217;s been out of production for more than a decade now, strap on Heckler &amp; Koch&#8217;s P7M8 and many gun people will know what it is. They&#8217;ll strike up a conversation about the unusual looking gun or want to tell you a story about one they own. And that&#8217;s exactly what happened when I used one in a writer&#8217;s event a few months ago at <a href=\"https:\/\/www.gunsite.com\" target=\"_blank\" class=\"clickTracking\" campaign=\"squeeze-cocker-magic-ks-p7m8-a-modern-old-design\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\">Gunsite Academy<\/a> located near Prescott, Arizona.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/01-Left-rear-oblique-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115446\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/01-Left-rear-oblique-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/01-Left-rear-oblique-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/01-Left-rear-oblique-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/01-Left-rear-oblique-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/01-Left-rear-oblique-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> Heckler &amp; Koch of Oberndorf, Germany introduced the P7M8 in the early 1980s. It was basically the same pistol as the PSP with some improvements. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>What is it that draws people&#8217;s attention? The P7M8 is a unique design with a lever for the front strap that when squeezed in a normal firing grip, cocks the gun. It&#8217;s very unusual and is designed not to fire unless the grip is pressed. When released, the gun decocks, eliminating the need for an external safety. But the P7M8 also has a firing pin drop safety that is meant to prevent the gun from firing if dropped, and unless the cocking lever is pressed, the sear cannot engage the firing pin to fire the gun.<\/p>\n\n\n\n<p>Because of this unique mechanism, the gun requires some practice to manipulate properly under stress. I did not think that was going to be the case when I took it to Gunsite, because the conventional wisdom was that as long as you gripped the gun properly and pressed the trigger, the gun was pretty much foolproof. But that&#8217;s not entirely true. More about that later.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/02-Right-front-oblique-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115447\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/02-Right-front-oblique-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/02-Right-front-oblique-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/02-Right-front-oblique-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/02-Right-front-oblique-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/02-Right-front-oblique-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> The H&amp;K P7M8&#8217;s most obvious feature is the cocking lever that doubles as the front strap of the grip. Squeezing it cocks the gun and releasing it decocks the gun. (Doug Larson photo)<br \/> &nbsp; <\/figcaption><\/figure>\n\n\n\n<p>Many readers will remember the Summer Olympic Games that were held in Munich, Germany in 1972. A group of mid-eastern terrorists invaded an athlete dormitory and held several Israelis hostage. Eventually, some of the terrorists were killed along with all the Israeli hostages. German police ended the kidnapping but expressed dissatisfaction with the handguns they had to use.<\/p>\n\n\n\n<p>As a result of these complaints, Heckler and Koch of\nOberndorf, Germany began working on a design and came up with a new handgun to\nreplace the ones in use. That new gun was the PSP, a single stack 9mm\nParabellum pistol with the unusual squeeze cocking mechanism. The PSP was\nadopted by the German police. The gun was sold to some other law enforcement\nagencies around the world and was eventually produced for the commercial\nmarket. In 1981, it was also offered for sale to the US public as the P7M8\nwhich featured a few design improvements making it just slightly different than\nthe PSP.<\/p>\n\n\n\n<p>The New Jersey State Police adopted the P7M8, and according to a friend of mine who is a retired Border Patrol supervisor, the Border Patrol also had a number of them. The most significant difference between the original PSP and the P7M8 is that the magazine catch for the P7M8 was moved from the heel \u2013 which was the customary place for it in Europe \u2013 to just behind the point where the trigger guard meets the front of the grip. And because when firing many cartridges in rapid succession the gun becomes very hot, a heat shield was added to the P7M8 just above the trigger. It helps but does not completely solve the heat problem.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/03-Left-profile-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115448\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/03-Left-profile-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/03-Left-profile-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/03-Left-profile-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/03-Left-profile-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/03-Left-profile-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> The P7M8 is a full-size duty handgun, but has a low bore axis and maintains a slim profile with its single-stack eight-round magazine capacity. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>It&#8217;s the action that causes the gun to get hot. The P7M8 is a gas retarded, recoil-operated \u2013 or blowback \u2013 action. Because gas is fed through a small hole, or port, in the barrel where it creates pressure in a gas cylinder, the cylinder and the area where it is situated just above the trigger heats quickly.<\/p>\n\n\n\n<p>Where most guns with a gas piston and a cylinder use the gas\nproduced when the cartridge is fired to move the slide or bolt to the rear to\neject the spent brass and begin cycling the action, the P7M8&#8217;s gas retarded\naction uses that gas to prevent the slide and the attached piston from moving\nto the rear until the bullet has left the barrel and the gas pressure has been\nreduced to a safe level. Only then is recoil enough to push the piston into the\ncylinder and send the slide rearward ejecting the spent brass.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/04-Controls-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115449\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/04-Controls-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/04-Controls-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/04-Controls-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/04-Controls-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/04-Controls-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>  The button at the rear of the frame just below the slide is pressed to disassemble the gun. The only controls are the cocking lever, magazine release, slide catch and trigger. The slide catch is the small metal slide just above the magazine release lever. The heat shield is above and in front of the trigger. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>But despite the number of rounds fired at Gunsite, there was enough time between drills for the P7M8 to cool slightly. The gun got warm, but not too hot to handle. Admittedly though, the P7M8 is not the usual type of gun shot by students at Gunsite, although contrary to the belief of many, Gunsite does not mandate that all handguns be 1911s. All safely functioning handguns chambered in a serious fighting caliber, whether a semi-automatic or a revolver, are welcome. So, when the chance came up, I selected the H&amp;K P7M8. I was curious about how this special gun would hold up. And it did well.<\/p>\n\n\n\n<p>Even though the squeeze cocking mechanism is set up to be instinctively activated when a normal grip is applied, it proved to require some training and repetition to master. Heckler &amp; Koch&#8217;s engineers and designers did an outstanding job on the P7M8 though, and the gun is nearly foolproof.<\/p>\n\n\n\n<p>To operate the gun, apply a normal amount of force to the\ngrip which compresses the cocking lever. Then press the trigger, which on the\ntest gun, broke at just over three pounds. If the lever is continually pressed\nas the gun cycles, the gun will recock and be ready to fire with another\ntrigger press \u2013 as long as ammunition remains in the gun. Pressing the trigger\nagain causes the gun to go through the same cycle until the magazine is empty\nin which case the slide remains locked to the rear signaling the shooter that a\nfresh magazine is required<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/05-Cocking-lever-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115450\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/05-Cocking-lever-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/05-Cocking-lever-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/05-Cocking-lever-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/05-Cocking-lever-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/05-Cocking-lever-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> The cocking lever forms the front of the grip and cocks the gun when squeezed. Releasing it decocks the gun. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>But even if the cocking lever is not pressed before the trigger is pressed, the gun still works. Holding the trigger to the rear and then pressing the cocking lever fires the gun, although more force is required to press the cocking lever. H&amp;K calls this a double-action mode. Single action is the label used for squeezing the cocking lever first and then pressing the trigger. But if the operator really messes up and squeezes the cocking lever at the same time as the trigger is pressed, the gun still fires. Pretty ingenious.<\/p>\n\n\n\n<p>The cocking lever also helps during the loading process.\nWhen inserting a fresh magazine while the slide is locked to the rear, the\nslide can be released to move back into battery and feed an unfired round into\nthe chamber by simply squeezing the cocking lever. While it is also possible to\nrelease the slide by pulling it slightly to the rear and letting it go,\npressing the lever is slightly faster.<\/p>\n\n\n\n<p>But if the shooter relaxes his or her firing grip and allows\nthe gun to decock during the firing cycle, it can cause a problem. In that\ncase, the shooter could allow the trigger finger to let the trigger move\nforward, then squeeze the cocking lever before pressing the trigger again.\nEverything will then work normally. But if the trigger is continually held to\nthe rear or pressed before the gun is cocked, firing the gun will require a\nharder press of the cocking lever which may slow things down and result in a\nless accurate shot. So practice in operating the gun is a smart undertaking if\nit is going to be used to protect one&#8217;s life. But in fairness, every gun is a little\ndifferent and requires some getting used to before the shooter is competent\nwith it under stress. That&#8217;s why training from a place like Gunsite is\ninvaluable.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/06-Lanyard-ring-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115451\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/06-Lanyard-ring-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/06-Lanyard-ring-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/06-Lanyard-ring-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/06-Lanyard-ring-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/06-Lanyard-ring-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> Although not used by everyone, the P7M8 is equipped with a lanyard ring located at the heel of the grip. The backstrap is lightly stippled to help prevent the gun from slipping when gripped. (Doug Larson photo). <\/figcaption><\/figure>\n\n\n\n<p>H&amp;K did not equip the P7M8 with a separate loaded chamber indicator but did build the extractor so that it functions as one. When a round is in the chamber, the extractor protrudes about 1\/16 inch to provide an indicator that the gun is loaded. But it is smarter to retract the slide slightly to visually check and feel for a chambered round. That takes some training, but if it&#8217;s dark, checking by feel is the only way the shooter can be sure a cartridge is in the chamber.<\/p>\n\n\n\n<p>To make the gun even more reliable, H&amp;K built the P7M8\nto function with a broken extractor. The company cut little flutes or grooves\ninto the wall of the chamber so that when the gun is fired, hot gas finds its\nway between the case and the chamber wall, tossing the case out of the gun. The\nP7M8&#8217;s extraction is smoother with the extractor, but if it fails, the gun\nstill works.<\/p>\n\n\n\n<p>Aiding in the gun&#8217;s reliability is the angle of the magazine in relation to the barrel axis. Although the grip angle is 110 degrees, which is the normal angle between the axis of a person&#8217;s fist when clenched and the index finger when pointed at an object \u2013 this makes the ergonomics of holding the gun and pressing the trigger better \u2013 the magazine sits almost perpendicular to the barrel which orients rounds such that cartridges must negotiate a much shallower angle when being fed into the chamber. This reduces the likelihood of a feeding malfunction, and in fact, to my knowledge, the particular test gun has never experienced a failure to feed.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/07-Cocked-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115452\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/07-Cocked-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/07-Cocked-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/07-Cocked-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/07-Cocked-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/07-Cocked.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> When the cocking lever is squeezed in a normal grip, the gun is cocked and the striker or firing pin protrudes from the back of the slide. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/08-Decocked-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115453\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/08-Decocked-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/08-Decocked-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/08-Decocked-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/08-Decocked-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/08-Decocked.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>When the shooter relaxes his grip, the gun decocks and the striker recedes into the slide. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>Magazines have a capacity of eight rounds \u2013 that&#8217;s what the M8 signifies. Magazines have witness holes so the shooter can easily see how many rounds are left, and the magazine well is beveled to facilitate fast magazine changes. When the magazine is released, a lever on each side of the grip is pushed towards the base of the magazine, they drop freely away. And with the lever style release on each side, the shooter can drop a magazine with either the thumb or the trigger finger. It&#8217;s a nice feature.<\/p>\n\n\n\n<p>The only other control besides the cocking lever, magazine release and trigger is the slide catch which is an unobtrusive slide located on the left side of the gun directly behind the trigger. It extends from under the grip panel and can be a little difficult to activate, but with practice works well. To lock the slide back, with either the trigger finger for left-handed shooters or the thumb for right-handers, press the sliding catch rearwards while retracting the slide. It actually works well and because of its design, will not be inadvertently activated during shooting like so many slide catches can be.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/09-Gas-cylinder-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115454\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/09-Gas-cylinder-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/09-Gas-cylinder-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/09-Gas-cylinder-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/09-Gas-cylinder-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/09-Gas-cylinder.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> The gas cylinder (indicated by the red arrow) is located in the frame just beneath the barrel. When the bullet exits the barrel, gas pressure drops to a safe level and allows the slide to move to the rear cycling the gun. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>Lastly, there is the takedown or disassembly button. It&#8217;s not really a control because it doesn&#8217;t perform any function during the firing process. Its only purpose is to facilitate disassembly. After making absolutely sure the gun is unloaded and the magazine removed, the button, located at the left rear of the gun just below the slide, is pressed inwards while the slide is pulled all the way to the rear. At the same time, the rear of the slide is lifted upwards, away from the frame until it disengages. Then, holding it carefully, the slide is allowed to move forward until it clears the muzzle and can be separated from the frame. Next the recoil spring, which surrounds the barrel, is removed.<\/p>\n\n\n\n<p>Unlike most striker-fired guns, the firing pin or striker assembly on the P7M8 can be removed for cleaning. To do so, the gun is checked to make sure it is empty. Leaving the gun assembled and while pointing it in a safe direction, the cocking lever is partially squeezed until the rear of the firing pin is flush with the rear of the firing pin assembly. Next, the assembly is rotated a little less than 90 degrees clockwise until it begins to move rearward, out of the slide. Continue squeezing the cocking lever which pushes the assembly further to the rear where it can be removed. To replace it, reverse the procedure. The striker assembly should not be disassembled further.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/10-Disassembled-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115455\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/10-Disassembled-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/10-Disassembled-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/10-Disassembled-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/10-Disassembled-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/10-Disassembled.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Disassembly is easy and there are only five components. The gas piston is on a hinge and is situated just beneath the front of the slide. The striker can be removed from the slide for maintenance. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>The 4.13-inch long cold hammer-forged barrel with polygonal rifling is semi-permanently pinned to the frame and does not move, making the gun more accurate compared to one with a tilting barrel. The recoil spring surrounds the barrel, and because no recoil spring guide rod is needed, the barrel and slide are lower to the frame and the shooter&#8217;s wrist, reducing recoil leverage which in turn reduces muzzle flip. Recoil is just a bit more than with a tilt barrel gun, but the lower bore axis seems to offset that.<\/p>\n\n\n\n<p>The P7M8&#8217;s slide is rounded on the top, which along with its\nsingle stack, thin design, makes it easy to carry discreetly. The gun sports\nwhite dot sights that are adjustable for windage by drifting. Originally, front\nsights of different heights were available to adjust elevation, but it is a\ngood bet they are now hard to get because the gun is out of production.<\/p>\n\n\n\n<p>Since the barrel has polygonal instead of conventional rifling, cleaning is pretty easy. But don&#8217;t fire lead bullets because they tend to lead the barrel and will deposit lead in the gas port causing the gun to malfunction. Instead, use full metal jacketed bullets without an exposed lead base. Basically that means it is best to use hollow points. And the owner&#8217;s manual says bullets weighing 100 grains or more should be used. H&amp;K cautions against firing ammunition designed for submachine guns which is probably because that ammo is loaded to higher velocity and pressure. It is also probably best to avoid +P ammo.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/11-Shooting-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115456\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/11-Shooting-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/11-Shooting-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/11-Shooting-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/11-Shooting-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/11-Shooting.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>At Gunsite, the author used the P7M8 extensively in defensive drills. It was accurate, easy to shoot and functioned flawlessly. (Ed Head photo) <\/figcaption><\/figure>\n\n\n\n<p>Periodically carbon build-up inside the cylinder must be removed. To do this, H&amp;K originally supplied a reaming tool and bronze brush that will not scratch or gouge the cylinder. It is best not to scrape carbon off the piston because it doesn&#8217;t affect the function and the piston is designed to be self-cleaning.<\/p>\n\n\n\n<p>The P7M8 has a lanyard ring at the heel, and guns came from the factory nickel-plated or with a very nicely done blue finish. Since the gun is no longer manufactured, it has taken on somewhat of a cult following and prices have risen above original prices which were already fairly high due to manufacturing costs.<\/p>\n\n\n\n<p>And also because the guns are no longer manufactured, obtaining a holster can be difficult and the owner may need to find a custom holster maker. If the maker doesn&#8217;t have a P7 or a mold, the owner may have to leave the gun with the holster manufacturer for a while. But there are at least two manufacturers that will make P7 holsters. At Gunsite, I used a Kydex holster made by HAWG Holsters, but if a leather holster is wanted, Desert Gun Leather will make one. Both manufacturers make high-quality goods and will work with customers.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/12-HAWG-holster-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115457\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/12-HAWG-holster-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/12-HAWG-holster-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/12-HAWG-holster-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/12-HAWG-holster-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/12-HAWG-holster-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> Holsters for the out-of-production H&amp;K P7M8 can be difficult to find, but HAWG Holsters will make one like this inside the waistband Kydex holster. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" title=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/13-Desert-Gun-Leather-holster-blue-bg-1024x683.jpg\" alt=\"Squeeze Cocker Magic: HK's P7M8 \u2013 A Modern Old Design\" class=\"wp-image-115458\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/13-Desert-Gun-Leather-holster-blue-bg-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/13-Desert-Gun-Leather-holster-blue-bg-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/13-Desert-Gun-Leather-holster-blue-bg-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/13-Desert-Gun-Leather-holster-blue-bg-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2019\/09\/13-Desert-Gun-Leather-holster-blue-bg.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption> Desert Gun Leather makes fine leather holsters like this beautiful custom holster for a Ruger Blackhawk. But the company will also work with customers to make holsters for the H&amp;K P7M8. (Doug Larson photo) <\/figcaption><\/figure>\n\n\n\n<p>There are other variations based on the P7M8. The P7M13 used a double stack 13 round 9mm magazine and the P7M10 also used a double stack magazine but was chambered in .40 S&amp;W. It held 10 rounds. The P7K3 was chambered in .22 LR, .32 ACP, and .380 ACP and was convertible to any of those calibers. The variations are rarer than the P7M8, so used prices are naturally higher.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">SPECIFICATIONS<\/h4>\n\n\n\n<p>HECKLER &amp; KOCH P7M8<\/p>\n\n\n\n<table class=\"wp-block-table\"><tbody><tr><td>\n  Caliber:\n  <\/td><td>\n  9x19mm\n  <\/td><\/tr><tr><td>\n  Barrel length:\n  <\/td><td>\n  4.13&nbsp; inches\n  <\/td><\/tr><tr><td>\n  Overall length:\n  <\/td><td>\n  6.73 inches\n  <\/td><\/tr><tr><td>\n  Weight:\n  <\/td><td>   1.75 pounds without magazine   <\/td><\/tr><tr><td>\n  Grips:\n  <\/td><td>\n  black synthetic\n  <\/td><\/tr><tr><td>\n  Sights:\n  <\/td><td>\n  three-dot, drift adjustable\n  <\/td><\/tr><tr><td>\n  Action:\n  <\/td><td>   recoil-operated, blow-back, gas retarded, semi-automatic   <\/td><\/tr><tr><td>\n  Finish:\n  <\/td><td>\n  blued\n  <\/td><\/tr><tr><td>\n  Capacity:\n  <\/td><td>\n  8 round magazine\n  <\/td><\/tr><tr><td>\n  Price:\n  <\/td><td>\n  out of production\n  <\/td><\/tr><\/tbody><\/table>\n\n\n\n<p>The gun is quite remarkable, making it an eye-catcher and fun to shoot. Despite its age, it&#8217;s an advanced design that is still a viable self-defense gun. If you ever have the chance, shoot one. And if you want one, watch the listings on GunsAmerica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"text-align:center\"><strong><em><a href=\"https:\/\/gunsamerica.com\/\" campaign=\"BuySellGA_Register\" target=\"_blank\" class=\"clickTracking\">Buy and Sell on GunsAmerica!<\/a><\/em><\/strong><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Even though it&#8217;s been out of production for more than a decade now, strap on Heckler &amp; Koch&#8217;s P7M8 and many gun people will know what it is. <\/p>\n","protected":false},"author":95,"featured_media":115456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[1111,694,859,36],"tags":[132,102,1032,524,792,621,1972,620],"featured":[],"hunt365":[],"class_list":{"0":"post-115445","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-doug-larson","8":"category-gun-reviews","9":"category-gun-reviews-handguns","10":"category-reviews-pistols","11":"tag-buzz","12":"tag-feature-articles","13":"tag-gun-review","14":"tag-heckler-koch","15":"tag-hk","16":"tag-pistol","17":"tag-pistol-review","18":"tag-tactical"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Squeeze Cocker Magic: HK&#039;s P7M8 \u2013 A Modern Old Design<\/title>\n<meta name=\"description\" content=\"Squeeze Cocker Magic: HK&#039;s P7M8 \u2013 A Modern Old Design - Doug Larson\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gunsamerica.com\/digest\/squeeze-cocker-magic-ks-p7m8-a-modern-old-design\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Squeeze Cocker Magic: HK&#039;s P7M8 \u2013 A Modern Old Design\" \/>\n<meta property=\"og:description\" content=\"Even though it&#039;s been out of production for more than a decade now, strap on Heckler &amp; 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