{"id":50160,"date":"2016-02-20T17:34:13","date_gmt":"2016-02-20T22:34:13","guid":{"rendered":"https:\/\/www.gunsamerica.com\/blog\/?p=50160"},"modified":"2016-02-20T17:34:13","modified_gmt":"2023-08-19T06:41:58","slug":"review-gemtech-gm-22-22lr-suppressor","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/review-gemtech-gm-22-22lr-suppressor\/","title":{"rendered":"Review: Gemtech GM-22 .22LR Suppressor"},"content":{"rendered":"<div id=\"attachment_50162\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-50162\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" class=\"size-large wp-image-50162\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-2-1024x768.jpg\" alt=\"The exceptionally light GM-22 on a Smith &amp; Wesson M&amp;P 22 Compact\" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-2-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-2-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-2-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-2.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-50162\" class=\"wp-caption-text\">The exceptionally light GM-22 on a Smith &amp; Wesson M&amp;P 22 Compact<\/p><\/div>\n<p>The first thing you notice about the <a href=\"https:\/\/www.silencershop.com\/silencers\/rimfire\/gemtech-gm-22.html\" target=\"_blank\" class=\"clickTracking\" campaign=\"review-gemtech-gm-22-22lr-suppressor\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" target=\"_blank\" rel=\"noopener\">Gemtech GM-22<\/a><span style=\"font-weight: 400\"> is its amazingly light weight. While the GM-22 is approximately the same size as other .22 rimfire suppressors on the market, the all aluminum construction shaves a lot of weight from the package. <\/span><\/p>\n<p>I recently got my hands on one to check out thanks to our friends at <a href=\"https:\/\/ss1.us\/a\/0HfZu2uQ\" target=\"_blank\" class=\"clickTracking\" campaign=\"review-gemtech-gm-22-22lr-suppressor\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" target=\"_blank\" rel=\"noopener\">Silencer Shop<\/a><span style=\"font-weight: 400\">. Let\u2019s take a closer look. <\/span><\/p>\n<p>The GM-22 is a two-piece suppressor &#8211; the exterior tube housing and the monolithic baffle stack. As a result, disassembly and reassembly couldn\u2019t be simpler &#8211; just unscrew the baffle stack from the tube and slide it out. The direct thread mount is part of the baffle stack and uses standard (for most rimfire applications) 1\/2&#215;28 tpi threading.<\/p>\n<div id=\"attachment_50166\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-50166\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" class=\"size-large wp-image-50166\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-5-1024x633.jpg\" alt=\"The GM-22 uses a one-piece baffle stack.\" width=\"1024\" height=\"633\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-5-1024x633.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-5-150x93.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-5-400x247.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-5.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-50166\" class=\"wp-caption-text\">The GM-22 uses a one-piece baffle stack.<\/p><\/div>\n<p>The overall length is five-inches, and diameter of the tube is one-inch. The overall weight is just 2.5 ounces, which makes the GM-22 an especially good solution for .22 pistols. The light weight has minimal impact on the overall feel and balance of a handgun. The entire unit is made from 7075 aluminum. The exterior tube is finished with matte black Cerakote, which apparently helps to reduce the infrared heat signature in case you\u2019re trying to be all ninja-like.<\/p>\n<p>The GM-22 is rated for .22 LR, .22 WMR, and .17 HMR. It\u2019s not certified for the higher pressure \u00a0.17 WSM cartridge, so be aware of that. For .22 LR, it is good to go for fully automatic operation. According to Gemtech, this suppressor will lower noise at the muzzle by 36-39 decibels.<\/p>\n<h2>Shooting the Gemtech GM-22<\/h2>\n<p>I used the Gemtech GM-22 on two different Smith &amp; Wesson guns, an M&amp;P 22 Compact pistol, and an M&amp;P 15-22 Performance Center AR-type rifle.<\/p>\n<p>The M&amp;P 22 Compact comes with a threaded barrel, but since the barrel is completely contained within the side, you need an adapter that attaches to the internal threads and offers a 1\/2&#215;28 tpi mounting segment that extends past the slide. The GM-22 was a perfect addition to this light and compact pistol. The combination was not any larger overall than many target pistols without a suppressor. Function with about a dozen types of .22 LR ammo was perfect. Most of what I shot was the new CCI Suppressor ammo. Of course, it&#8217;s subsonic, rated at 970 feet per second on the box, but that&#8217;s for a rifle. From this pistol, with the GM-22 installed, I recorded an average velocity of 835.7 feet per second using a Shooting Chrony Beta Master Chronograph placed 15 feet down range. Probably needless to say, this combination was quiet. One more thing to note about CCI&#8217;s suppressor line. It&#8217;s all subsonic by design, but CCI also uses lower flash and cleaner burning powders to help minimize filth buildup in the suppressor.<\/p>\n<div id=\"attachment_50165\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-50165\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" class=\"size-large wp-image-50165\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-21-1024x768.jpg\" alt=\"The GM-22 was a great fit for the Smith &amp; Wesson M&amp;P 15-22 Performance Center. The loudest noise when shooting this CCI Suppressor ammo was the bolt closing.\" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-21-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-21-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-21-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-21.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-50165\" class=\"wp-caption-text\">The GM-22 was a great fit for the Smith &amp; Wesson M&amp;P 15-22 Performance Center. The loudest noise when shooting this CCI Suppressor ammo was the bolt closing.<\/p><\/div>\n<p>The other guns I tested was a Smith &amp; Wesson M&amp;P15-22 Performance Center Model. This rifle is a souped up AR-type rifle chambered in .22LR. It comes with a threaded bull barrel, so it was ready to go with the Gemtech GM-22 out of the box. On this rifle, there is a rubber gasket between the thread protector and the barrel, so be sure to remove that before mounting a silencer. I shot a variety of ammo with this rifle as well, but again, mostly CCI&#8217;s Suppressor 40-grain. I didn&#8217;t have my chronograph the day I took this to the range, so I was not able to record average velocity from the rifle. The bullets clearly stayed subsonic, and the loudest noise was the bolt slamming back home after chambering the next round. That was pretty cool.<\/p>\n<h2>A quick comparison to the SilencerCo Sparrow<\/h2>\n<p>On one of my range outings with the GM-22, I brought along a SilencerCo Sparrow .22 LR suppressor just to understand the differences. The Sparrow is ever so slightly longer and wider by about .08 inches in each dimension, but from a practical point of view, they\u2019re identical is size. The Sparrow is also noticeably heavier, weighing in at 6.5 ounces compared to the 2.5 ounces of the GM-22. That\u2019s because the Sparrow is made from stainless steel instead of aluminum. Shooting them side by side, the Sparrow sounded quieter to me from both rifle and pistol hosts.<\/p>\n<div id=\"attachment_50163\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-50163\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" class=\"size-large wp-image-50163\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-4-1024x575.jpg\" alt=\"The SilencerCo Sparrow (top) and Gemtech GM-22 (bottom) are about the same size, although the GM-22 weighs just over 1\/3 as much as the Sparrow.\" width=\"1024\" height=\"575\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-4-1024x575.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-4-150x84.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-4-400x225.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-4.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-50163\" class=\"wp-caption-text\">The SilencerCo Sparrow (top) and Gemtech GM-22 (bottom) are about the same size, although the GM-22 weighs just over 1\/3 as much as the Sparrow.<\/p><\/div>\n<p>You\u2019ll also notice a different approach to design of the guts. Both suppressors use a monolithic (one piece) baffle stack. The big difference is that the Sparrow uses two clamshell inner baffle stack covers. You snap those into place over the baffle stack, then slide the now fully enclosed baffle stack into the outer tube body. The GM-22 baffle stack slides directly into the suppressor body as is. The two approaches are apples and oranges really as they offer different pros and cons. The GM-22 is much lighter as a result of its simpler design. The Sparrow is heavier, but less likely to have disassembly and cleaning challenges. Let\u2019s talk about that next.<\/p>\n<h2>Maintenance Tips<\/h2>\n<p>The GM-22 is is a one piece baffle stack and mount that slides into the outer shell. It\u2019s nice and simple, and easy to clean, provided you pay attention to frequent maintenance. If you leave this type of suppressor on your .22 LR for an extended period, hundreds and hundreds of shots perhaps, lots of gunk will build up inside. Since the gas, lead residue, and carbon goo will coat both the baffle stack and the interior of the body tube, it\u2019s possible that the two will become bonded together via the filth that hardens. Combine this with a small surface area to grab onto for disassembly, and you can get yourself into some trouble when trying to pull the baffle stack out for maintenance.<\/p>\n<div id=\"attachment_50164\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-50164\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" class=\"size-large wp-image-50164\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-6-1024x768.jpg\" alt=\"Be sure to take the GM-22 apart and clean frequently so the baffle tube doesn't get stuck inside the body.\" width=\"1024\" height=\"768\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-6-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-6-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-6-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-6.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-50164\" class=\"wp-caption-text\">Be sure to take the GM-22 apart and clean frequently so the baffle tube doesn&#8217;t get stuck inside the body.<\/p><\/div>\n<p>Fortunately, this is no big deal. Just keep on top of cleaning and maintenance. At minimum, I would unscrew the baffle stack from the body tube after every range outing just to make sure parts aren\u2019t stuck and will still move easily. Every few hundred rounds, take it fully apart and clean the interior. Last, keep it lubed with a quality lube that\u2019s optimized for high temperature. I like FireClean for suppressor interiors, but there are plenty of good options out there.<\/p>\n<p>Is this a bad thing? Not at all. You get a much, much lighter suppressor in return for paying a little more attention to cleaning and maintenance. That\u2019s the price of the weight savings. As long as you know that going in, you\u2019ll have no trouble.<\/p>\n<div id=\"attachment_50167\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-50167\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" class=\"size-large wp-image-50167\" src=\"https:\/\/www.gunsamerica.com\/blog\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-7-1024x750.jpg\" alt=\"The muzzle cap is even integrated with the monolithic baffle stack. \" width=\"1024\" height=\"750\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-7-1024x750.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-7-150x110.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-7-400x293.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2016\/01\/Gemtech-GM-22-7.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-50167\" class=\"wp-caption-text\">The muzzle cap is even integrated with the monolithic baffle stack.<\/p><\/div>\n<h2>Closing thoughts<\/h2>\n<p>I liked the GM-22, especially when I mounted it on the Smith &amp; Wesson M&amp;P 22 Compact. That\u2019s a small and light pistol that paired well with the ultra-light GM-22. This suppressor didn\u2019t turn the M&amp;P 22 Compact into a big heavy gun &#8211; it remained compact and easy to handle.<\/p>\n<p>You also have to appreciate the price. With an MSRP of just $395, it\u2019s one of the most affordable rimfire cans on the market. They\u2019re <a href=\"https:\/\/www.silencershop.com\/silencers\/rimfire\/gemtech-gm-22.html\" target=\"_blank\" class=\"clickTracking\" campaign=\"review-gemtech-gm-22-22lr-suppressor\" title=\"Review: Gemtech GM-22 .22LR Suppressor\" target=\"_blank\" rel=\"noopener\">on sale now at Silencer Shop<\/a> for $300.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The first thing you notice about the Gemtech GM-22 is its amazingly light weight. While the GM-22 is approximately the same size as other .22 rimfire suppressors on the market, the all aluminum construction shaves a lot of weight from the package. <\/p>\n","protected":false},"author":25,"featured_media":50162,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[35,7,109,882,209],"tags":[110,132,219,69],"featured":[],"hunt365":[],"class_list":{"0":"post-50160","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-accessories-misc","8":"category-gunsamerica-authors","9":"category-gear-reviews","10":"category-gear-suppressors","11":"category-tom-mchale","12":"tag-accessories-2","13":"tag-buzz","14":"tag-gemtech","15":"tag-suppressor"},"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>Review: Gemtech GM-22 .22LR Suppressor<\/title>\n<meta name=\"description\" content=\"Review: Gemtech GM-22 .22LR Suppressor -\" \/>\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\/review-gemtech-gm-22-22lr-suppressor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Review: Gemtech GM-22 .22LR Suppressor\" \/>\n<meta property=\"og:description\" content=\"The first thing you notice about the Gemtech GM-22 is its amazingly light weight. 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