This will allow for easy removal of the magazine . 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. NEVER attempt to cycle the bolt carrier group (manually or otherwise) or fire a round with the action open (receivers separated), as this may cause serious injury or death AND potentially make your rifle non-compliant with laws and regulations! We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. His problem is that the front tab of the bolt catch is not engaging on the follower of the PMAG, so the bolt won't hold open on the last round. It isnt that they are bad (in fact they feed and run very well in certain firearms) but in my years of shooting I have simply found that other products may better suit a myriad of shooters. The problem is interference between the bottom edge of the rear wall of the mag well and a ridge running horizontally across the PMag spine. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. . Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. Sounds like the pmag is riding a little high and rubbing the bottom of the carrier a bit. One new winner* is announced every week! I recently assembled this Noveske rifle and bought 3. A forum community dedicated to FN Herstal firearm owners and enthusiasts. If you use PMAGS with your SCAR, READ THIS! - AR15.COM Correction to original post: 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). I deepened the hole to 0.480. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated A friend with a lower that started at 80% also had the same problem as I do and fixed his by shifting his mag catch up 0.050". (not my lower, but my exact problem!) I ordered 10 mags from brownells after I saw they didn't ride the bolt up. I suspect yours will be higher than mine. Is it the length of the plunger? Mar 3, 2022. Not a back-breaking amount, mind you, but not insignificant. This is. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. It may not display this or other websites correctly. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. This is one of my pistols. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Getting the Magpul PMAG to work with regular bolt catch You must log in or register to reply here. Can anyone offer insight to the cause of or solution to these problems? The plunger and compressed spring are 0.490. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. Paste as plain text instead, Press the AR MAGLOCK magazine release button. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. TFB Review: Over 1,000 Rounds With The Springfield Hellion I was curious about how other magazines behaved in the lower so I measured them to simply verify reasonable consistency. Copyright 1996-2023 AR15.COM LLC. I've heard of Issues with Pmags and ARs due to Pmags having more material on the rear of the mag, creating more distance between the follower and the Bolt Catch tooth which isn't as far with USGI mags, and wondering if it is that, plus tolerance stacking being my Catch has so much wiggle room on the Standard M&P. Your link has been automatically embedded. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. One new winner* is announced every week! I realized you can fix this by filing or dremeling off some material on the rear of the mag body, or by using whatever generation of magazine they implemented to fix this, or you could just arrive at my next point and save four or five dollars more by purchasing a GI mag. The cause could be one of the following: Bolt catch assembly is too far away from the back of magazine well Finger on bolt catch is too short Slight slop (looseness) on magazine, or magazine faceplate The mags cause the bolt catch to rise ever . I sent an email toDaytona Tactical support telling that themagazine catch hole is0.049 too low compared to others I've seen drawings of and am awaiting their response. Powered by Invision Community, Problems with failure to feed AND failure to catch bolt. Lastly, not only are PMAGs more expensive than the alternative, but also heavier. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 https://www.luth-ar.com/product/buffer-tube-spring-assembly-kit-308/, Bolt catch is from a TacFire .308 AR Lower Parts Kit (not for an AR-15). 1.4k We are all guilty of doing this, in one way or another. Just did this, no difference. 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. PMag Not Locking Bolt Catch : ar15 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. The Fix: 1.) Bolt Catch issues w/ Pmags + few questions - AR15.COM