{"id":213171,"date":"2025-03-16T13:30:28","date_gmt":"2025-03-16T18:30:28","guid":{"rendered":"https:\/\/gunsamerica.com\/digest\/?p=213171"},"modified":"2026-01-18T23:44:19","modified_gmt":"2026-01-19T05:44:19","slug":"testing-the-gen5-glock-17l-mos","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/testing-the-gen5-glock-17l-mos\/","title":{"rendered":"Testing the Gen5 Glock 17L MOS"},"content":{"rendered":"\n<p class=\"wp-block-yoast-seo-estimated-reading-time yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><svg aria-hidden=\"true\" focusable=\"false\" data-icon=\"clock\" width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" style=\"display:inline-block;vertical-align:-0.1em\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z\"><\/path><\/svg><\/span><span class=\"yoast-reading-time__spacer\" style=\"display:inline-block;width:1em\"><\/span><span class=\"yoast-reading-time__descriptive-text\">Estimated reading time: <\/span><span class=\"yoast-reading-time__reading-time\">7<\/span><span class=\"yoast-reading-time__time-unit\"> minutes<\/span><\/p>\n\n\n\n<p>For decades Glock has been synonymous with simplistic reliability. Their no-frills pistols have been depended on by militaries, police, and civilians throughout the world. Now, the newest generation of Glock pistols has added another member to its ranks. Let&#8217;s see if the Gen5 G17L MOS lives up to the Glock name.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-1024x683.jpg\" alt=\"Glock 17L MOS\" class=\"wp-image-213175\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-1536x1024.jpg 1536w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L3-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Of all the 9mm Glock offerings, the 17L is a pistol you don\u2019t hear much about. To be honest, the main reason I requested a loaner pistol for review when the MOS version was released is that I hadn\u2019t ever shot one and I was interested to see how the egregiously long 6.02\u201d barrel affected the shooting experience.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table of contents<\/h2><ul><li><a href=\"#h-first-looks\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" data-level=\"2\">First Looks<\/a><\/li><li><a href=\"#h-gen5-glock-17l-ergonomics\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" data-level=\"2\">Gen5 Glock 17L Ergonomics<\/a><\/li><li><a href=\"#h-controls\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" data-level=\"2\">Controls<\/a><\/li><li><a href=\"#h-mounting-optics\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" data-level=\"2\">Mounting Optics<\/a><\/li><li><a href=\"#h-at-the-range-with-the-17l\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" data-level=\"2\">At The Range With the 17L<\/a><\/li><li><a href=\"#h-gen5-glock-17l-conclusion\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" data-level=\"2\">Gen5 Glock 17L Conclusion<\/a><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-first-looks\">First Looks<\/h2>\n\n\n\n<p>Upon opening the case in my FFL I couldn\u2019t help but grin and chuckle at the disproportionally long barrel. A couple of guys perusing the shop came over and had a similar reaction; a reaction that a stock Glock rarely evokes. Everyone knows what to expect when looking at a Glock yet this pistol seems to catch people off guard.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-1024x683.jpg\" alt=\"Glock 17L MOS\" class=\"wp-image-213172\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-1536x1024.jpg 1536w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L6-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Gen5 Glock refinements are small but appreciated<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Of course, it has the standard Gen5 aesthetics like softened corners around the muzzle, forward slide serrations, and improved grip texture. The durable nDLC (nitride diamond-like coating) gives the deep black finish we expect from Glock. All the typical amenities are there, except this design seems to be more characteristic of Geppetto\u2019s work than Gaston Glock\u2019s. I am unaware of what lies my G17L has been telling, but we\u2019ll see if the truth comes to light as I put this pistol through its paces.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gen5-glock-17l-ergonomics\">Gen5 Glock 17L Ergonomics<\/h2>\n\n\n\n<p>It\u2019s a Glock. In terms of feel, not much else needs to be said. If you have handled any of their full-size pistols, this is no different. The changes made for the <a href=\"https:\/\/gunsamerica.com\/search?keyword=Glock%2017%20Gen5\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">Gen5 Glock<\/a> models suit my preferences well. The grip texture is a bit more aggressive; they deleted the finger grooves and took the corners off the blocky slide near the muzzle. I also appreciate the front slide serrations since I prefer to manipulate the slide from the front.<\/p>\n\n\n\n<p>The biggest felt difference in this pistol is its balance. The change in feel from my EDC G19 to the G17L with its extra two inches of barrel and slide is surprising. The 25.4oz empty weight in itself isn&#8217;t the difference maker; it\u2019s where it is located. The extra weight so far out from the grip makes it feel like the muzzle is always trailing behind where I am trying to transition from one target to the next. I have experienced this with rifles of different lengths, but this is a first for a pistol.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-1024x683.jpg\" alt=\"handgun sitting near bricks and tree stumps\" class=\"wp-image-213177\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-1536x1024.jpg 1536w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L1-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">This pistol is the sight radius king.<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-controls\">Controls<\/h2>\n\n\n\n<p>The Gen5 Glock 17L MOS comes with the basic controls we\u2019ve come to expect, with a couple of small differences. The mag release can be swapped to the right side to accommodate left-handed shooters. The slide release is ambidextrous and slightly oversized to help with faster reloads. Gen5 triggers are not great but generally better than their predecessors. There is a moderate amount of take-up, the wall is soft and deep with about 3\/16\u201d of travel before the break at five pounds.\u00a0<\/p>\n\n\n\n<p>The mag release is easy to manipulate without changing my grip, and magazines fall free when released. This pistol takes standard 17-round 9mm Glock mags, which run around $25, but third-party mags can be had for as low as $8.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mounting-optics\">Mounting Optics<\/h2>\n\n\n\n<p>Glock\u2019s MOS system allows for the mounting of most standard footprint micro-optics with the use of an adapter plate. Glock sends basic plates with MOS pistols, but I prefer the ones from C&amp;H Precision. They generally fit the optic better, are lower profile, and help blend the optic with the lines of the gun. I have used one of their plates on my carry gun for years, so I was sure to request one for this review.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-1024x683.jpg\" alt=\"Glock 17L taken apart\" class=\"wp-image-213176\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-1536x1025.jpg 1536w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L2-2048x1366.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Optic mounting is quick and easy.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>The mounting process takes less than ten minutes. Simply remove the pistol\u2019s optic cut cover plate, attach the adapter plate with the included screws, then screw the optic to the plate. Be sure all the screws are properly torqued to the specs noted in the instructions, and use some blue thread locker. Give the Loctite a day to set, and you&#8217;re good to go.\u00a0<\/p>\n\n\n\n<p>For this review, I chose <a href=\"https:\/\/holosun.com\/products\/reflex-sight\/507\/hs507comp.html\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">Holosun&#8217;s 507COMP<\/a> because the wide window helps me find my dot quickly, and the multiple reticle options are nice to have. It has been mounted for a couple of months, and I am happy with its performance so far.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-at-the-range-with-the-17l\">At The Range With the 17L<\/h2>\n\n\n\n<p>My shooting experience with the Gen5 Glock 17L was an overall good one. The issue I mentioned about it being nose-heavy didn&#8217;t prove to be much of an issue. What I noticed the most was the difference in recoil impulse. While not heavy, it is long and a bit clunky. Most <a href=\"https:\/\/gunsamerica.com\/search?keyword=Sccy%209mm%20pistols\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">9mm pistols<\/a> I\u2019ve tested recently have a short, snappy recoil impulse, but the 17L reminded me more of my dad\u2019s old Ruger P89. I\u2019m guessing the additional weight of the slide reciprocating with each shot gives it this characteristic.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-1024x683.jpg\" alt=\"green body-shaped target with ammo and gun\" class=\"wp-image-213173\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-1536x1024.jpg 1536w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L5-2048x1366.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Acceptable fast-paced groups from 25 yards.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>I found adding a bit of weight near the front of the frame helps counteract the moving mass of the slide. This is a welcome secondary benefit of adding a weapon light. For this pistol, I chose Streamlight\u2019s new <a href=\"https:\/\/www.streamlight.com\/products\/detail\/tlr-1-hl-x\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">TLR-1 HL-X<\/a>. The 1500-lumen, 20000-candela output is plenty to illuminate the extended effective range of this pistol.&nbsp;<\/p>\n\n\n\n<p>I\u2019ve found that this pistol excels at longer range. I was out shooting it one day before mounting the <a href=\"https:\/\/gunsamerica.com\/accessories\/optics\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">red dot<\/a>, and I had no problem stacking rounds on an eight-inch plate at 75 yards. For people who prefer shooting with Irons, this pistol is as good as it gets, but all the advantages aren\u2019t lost on us dot lovers either. The 6.02\u201d barrel adds around 100 feet per second of velocity, and some would argue additional precision as well.\u00a0<\/p>\n\n\n\n<p>I\u2019ve fired a variety of bullet weights, types, and brands through this pistol without issue. While not much better than the rest, 115-grain Federal Syntech gives the best groups. All the groups were shot from the standing position with a one-shot-per-second cadence. Next time I&#8217;m at the range, I&#8217;ll see what I can squeeze out of it if I take my time.\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-1024x683.jpg\" alt=\"Glock 17L with magazines and boxes of ammo\" class=\"wp-image-213174\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-1024x683.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-400x267.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-150x100.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-768x512.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-1536x1024.jpg 1536w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2025\/02\/17L4-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">No issues from multiple ammo types.<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gen5-glock-17l-conclusion\">Gen5 Glock 17L Conclusion<\/h2>\n\n\n\n<p><strong>Read More: <a href=\"https:\/\/gunsamerica.com\/digest\/rugers-copycat-glock-the-rxm-shot-show-2025\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">Ruger\u2019s Copycat Glock: The RXM &#8212; SHOT Show 2025<\/a><\/strong><\/p>\n\n\n\n<p>Overall, I think this is a fun gun, but I\u2019d have to characterize it as niche. I think the prime selling point is the sight radius for those who prefer iron sights, but if that is your preference, why get the MOS model? I like the added velocity,y but I am not sure it is a worthwhile tradeoff for the less manageable recoil impulse and added size. For those who like the idea of a longer barrel and want to run a red dot, I would recommend a G34 MOS over the Gen5 Glock 17L. The G34 is the same gun, just with a 5.31\u201d barrel. Both are priced around $700, so the choice is yours.<\/p>\n\n\n\n<p><strong>READ MORE: <a href=\"https:\/\/gunsamerica.com\/digest\/modern-rimfire-shootout-p322-vs-p17-vs-tx22\/\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">Modern Rimfire Shootout \u2013 P322 vs P17 vs TX22<\/a><\/strong><\/p>\n\n\n\n<p>Just because I would personally prefer a shorter barrel doesn&#8217;t mean Geppetto&#8217;s G17L wouldn\u2019t be a valuable piece in your arsenal, even if it is just to give you a good chuckle.\u00a0<\/p>\n\n\n\n<p>Be sure to check out the <a href=\"https:\/\/us.glock.com\/en\/pistols\/g17l-gen5-mos\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\">GLOCK website<\/a> for more info on the 17L or to find a dealer near you.<\/p>\n\n\n\n<p class=\"has-text-align-left\" style=\"font-size:24px\"><strong><em>*** <a href=\"https:\/\/gunsamerica.com\" target=\"_blank\" class=\"clickTracking\" campaign=\"testing-the-gen5-glock-17l-mos\" title=\"Testing the Gen5 Glock 17L MOS\" target=\"_blank\" rel=\"noreferrer noopener\">Buy and Sell on GunsAmerica!<\/a> ***<\/em><\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For decades Glock has been synonymous with simplistic reliability. Their no-frills pistols have been depended on by militaries, police, and civilians throughout the world.<\/p>\n","protected":false},"author":139,"featured_media":213175,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[694,859,36],"tags":[102,4164,4312,3689,1972],"featured":[],"hunt365":[],"class_list":{"0":"post-213171","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-gun-reviews","8":"category-gun-reviews-handguns","9":"category-reviews-pistols","10":"tag-feature-articles","11":"tag-gahome","12":"tag-gen5-glock-17l","13":"tag-headline","14":"tag-pistol-review"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Testing the Gen5 Glock 17L MOS<\/title>\n<meta name=\"description\" content=\"The newest generation of Glock pistols has added another member to its ranks. Let&#039;s see if the Gen5 G17L MOS lives up to the Glock name.\" \/>\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\/testing-the-gen5-glock-17l-mos\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Testing the Gen5 Glock 17L MOS\" \/>\n<meta property=\"og:description\" content=\"For decades Glock has been synonymous with simplistic reliability. 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