My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. The Fix: 1.) Insert the steel DPMS mag and lock the bolt back and look through the ejection port and note how much of the bolt face the bolt catch covers. If the solution to the feed problem involves a modification to the upper or lower, Ill test the bolt catch and take another measurement as shown in figure 5. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. Cookie Notice .661 from top of receiver to top of mag catch inside magwell. Ar10 bolt jamming up on PMag/mag release | Northwest Firearms Thanks shooterrex. If the solution to the feed problem involves a modification to the upper or lower, I'll test the bolt catch and take another measurement as shown in figure 5. Could use some advice, being this is a problem on MANY ARs, not just the M&P's. Any use of this content without express written consent is prohibited. For a better experience, please enable JavaScript in your browser before proceeding. But if you're having this problem just take the flat of a knife blade and, holding the blade perpendicular to the magazine body, scrape a little bit of the plastic away until your bolt latch has free travel. Please refer to our installation videos and the instructions on your packaging. I picked up a SCAR 16s last week and put 50 rounds through it with no problems at all (using the FN mag). For a better experience, please enable JavaScript in your browser before proceeding. If so, it might be worth trying another batch of pmags in case it's just a mold variation. I have a substantial cache of PMAGs, I already performed the PMAG mod by cutting the back of the mag so the bolt catch wont activate. Checking mine now! Clear editor. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. I don't know if this is an indication of another problem being that the bolt catch is too far left. i have a gen 3 pmag without the window and its kind of frustrating. 7: Bolt catch fully extended, plunger removed = 0.443, Fig. Your enemies, with nodding of their plumes, fan you into despair! Maybe it's raising it too much, but a locked bolt is a locked bolt. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. I actually just noticed this issue on my Colt 6920 with Magpul M2 PMAGS. Scan this QR code to download the app now. Magpul Pmag Bolt Hold Open Problem - YouTube It may not display this or other websites correctly. Any use of this content without express written consent is prohibited. Thanks for the reply. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. It's brand new so it couldn't be anything crazy like the gas block. Think it could be magazine springs? You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. First and foremost, I will readily acknowledge that PMAGs are a great magazine. All it takes is one out of spec cartridge that the extractor fails to grab leaving the cartridge behind in the chamber, going back then forward and pushing a fresh round against the cartridge left behind and you have the dreaded double feed where everything locks up. All Rights Reserved. So, for people who only have AR-15s and only shoot AR-15s, its easy to get tunnel vision and just assume that PMAGs are the greatest, and the end-all, be-all answer for all shooters, while overlooking the needs of other people. They are reliable, well-constructed, and produced by a company that has a great reputation. For me I had to shave off small pieces of the mag to make the bolt catch itself latch. The ones I used were my friends and I checked the bolt catch before I shot. What measurements do you have on your lower? I dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. . For a while you only had so long to make the edit and then never again. It knows when youre cheating..like Santa. Pics to follow. Like you hear military folk say, Ounces equal pounds. And in the case of the PMAG, a full loadout saves the user a bit of weight. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. Its Alex C. with TFBTV. Also check out this great, descriptive video as the Gen3 7.62x51 PMag followers have a slightly different contour which can catch the feed lips, and not rise high enough to engage the bolt catch properly on DPMS Gen 2 style bolt catch levers. Your previous content has been restored. Maybe after Magpul completes their move they'll address some of their mold issues, 'til then it's best to check. 16s and pmag Gen 3 problems!! | FN Herstal Firearms So far so good. If the solution to the feed problem involves a modification to the upper or lower, Ill test the bolt catch and take another measurement as shown in figure 6 (not figure 5). When the PMAG 20LR is inserted into the magazine well, some MWS rifles exhibit interference between the bolt catch and the rear of the magazine. However, when using the CH to keep the BCG to the rear, the follower can slip past the bolt catch when slammed into the magwell or when jarred or shaken significantly after insertion. Continue until the upper lip is flush with the upper receiver when closed. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. If so, it would cause both symptoms. Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. *, MISC Training Course Announcements & AAR's, Former Vickers Shooting Method Regional Instructors, Pacific Northwest Training and Networking, All Other Longgun Parts, Accessories, & Magazines (EE), Handgun Parts, Accessories & Magazines (EE), If this is your first visit, be sure to Also if you rest your gun on the mag when you shoot (by the way don't do this) it will shove most mags including FN factory ones. The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. Why not just ditch the PMags? It was initially 0.323 deep. PMAG problems - Midwest PX - New Jersey Gun Forums Today I had some last shot hold open issues while using 20 round P-mags. Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately. "And here remain with your uncertainty! Of course, this is just my opinion, based on my personal experiences, and your mileage may vary. Magpul Pmag Bolt Hold Open Problem - YouTube 0:00 / 7:05 Magpul Pmag Bolt Hold Open Problem It's A Gun Thing 24 subscribers Subscribe 143 16K views 3 years ago Does your bolt on a. Pasted as rich text. Thanks for this HC, I'm going to inspect my Gen 3's to see if mine have the same witness marks. We are all guilty of doing this, in one way or another. Definitely try another couple magazines, including one from another manufacturer. PMAG "bolt catch interference" Issue with LMT MWS You are using an out of date browser. 1.4k Its best to identify these two common issues with your rifle, before attempting to diagnose problems with your magazines. The issue is with bolt lock back. PMAG Problems - Calguns.net Seen here is a few examples of when a PMAG has to be manually removed: a problem that isnt present most of the time with plain old aluminum magazines. The bolt catch problem can be solved by drilling the plunger hole deeper but Id first like to solve the feed problem. Suggestions? PMAG feeding problem, jamming on chamber face Excellent work with the pics and details. Reddit and its partners use cookies and similar technologies to provide you with a better experience. I deepened the hole to 0.480. check out the. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 3: Magazine feed lips height = 0.446, Fig. I get asked a lot why, in almost all of my reviews or videos, I use good old-fashioned U.S. GI steel magazines in lieu of Magpul PMAGs, a popular alternative that most shooters these days are familiar with. AR10 bolt catch issues : r/AR10 You must log in or register to reply here. The Magpul PMAG is a great, well designed magazine that many people like and use in various rifles around the world, but over the years I have discovered that they are not the best option for me personally. But with firearms, there really is seldom a one size fits all option for, well, anything. The BC looks the same so this is a non issue. Also the follower rides the bolt catch up A LOT. [ARCHIVED THREAD] - Bolt Catch issues w/ Pmags + few questions, https://www.triggershims.com/ar_15_shims.html. The metal Mag that came with my Stag worked fine however. Bolt Catch issues w/ Pmags + Advice Needed - AR15.COM

Russell Johnson Pastor Net Worth, Does Chayce Beckham Have A Girlfriend, Objectives Of International Public Relations, Articles P