I included a pic of the mag fully inserted, then a mag with the follower pushed down to the point of where the bolt catch stays flat. Suggestions? Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 New production Colt-pattern U.S. GI mags are four to five dollars cheaper than generation three PMAGs. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. 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. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. TFB Review: Over 1,000 Rounds With The Springfield Hellion Ok, so I have searched the hide and my googlefu is actin a fool like my pmags You must log in or register to reply here. You must log in or register to reply here. 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. . Well, there are several reasons for this. The plunger hole was too shallow but even after deepening it, the catch still isn't pushedup high enough because the magazine follower is too low. Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. "And here remain with your uncertainty! I don't and I didn't . honest. Indeed, if could be too low, and we have a HELL of a thread here on that very issue. 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). Using PMAGs can actually do irreparable damage to an FN SCAR rifle. Problem: 30 round Pmag follower doesn't catch on the front lip of the bolt catch. 6: Bolt catch fully extended = 0.359, Fig. To clear, get the bolt to move back by removing the floor plate of the magazine, remove the spring and follower followed by the rounds in the magazine and the 2nd round should drop out. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. It's not the bolt catch, itself, obviously. I think I may just shoot it a few mags and see what happens.. What changed? Not a back-breaking amount, mind you, but not insignificant. Just did this, no difference. The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. 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 3: Magazine feed lips height = 0.446, Fig. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. With the mag catch removed, a mag can be inserted so far into the mag well that the follower moves upward beyond the point where it can lift the bolt catch. That should fix it. The Fora platform includes forum software by XenForo. Powered by Invision Community, Problems with failure to feed AND failure to catch bolt. and might have several still in the packaging. My Colt LE6920 bolt is not locking back when the last round is fired nor when I insert an empty magpul pmag magazine. Of course, this is just my opinion, based on my personal experiences, and your mileage may vary. The bolt can still be removed by grinding but will no longer be usable. Additionally, unsafe and unintended methods of operation of the FIREARM may also cause non-compliance. Thanks for the reply. For me it's almost all gen 2 P mags. This will severly damage your bolt group over time. This is not the case with PMAGs in many platforms. Operation of an AR-15 without the receivers / action fully closed may result in serious injuries or death. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. I can manually push the catch tab in to raise the catch higher. A new one can be sent upon request. Fig. If someone can answer that, I'd appreciate it. I read your post twice, I still don't see the malfunction. I personally dont see why I would spend an extra five bucks for magazines that wont drop free in all my guns, may or may not be compatible with new and upcoming guns, and my next point: wont fit in all my guns. This will allow for easy removal of the magazine . Yes I had to trim the left side rear notch square before the BC laid perfectly flat. Maybe it's raising it too much, but a locked bolt is a locked bolt. 1.4k The main concern is the failure to feed. P-Mag Follower and Bolt Catch Engagement *Issue Resolved! Could use some advice, being this is a problem on MANY ARs, not just the M&P's. You can post now and register later. This is not the case with PMAGs in many platforms. Paste as plain text instead, The problem is pretty simple, the magazine's follower is failing to raise the bolt catch. Let every feeble rumor shake your hearts! After installation of the ARMagLock the button is. Can anyone offer insight to the cause of or solution to these problems? The metal Mag that came with my Stag worked fine however. check out the. If your upper and lower receivers are MIL-SPEC the ARMagLock will work. This clearance is partially determined by the use of aLuth-AR .308 rifle buffer tube, spring, and weight [https://www.luth-ar.com/product/buffer-tube-spring-assembly-kit-308/]. You cannot paste images directly. 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. PMag Not Locking Bolt Catch : ar15 One new winner* is announced every week! The plunger and compressed spring are 0.490. I have both just to keep ammo separated. How To Fix AR-15 Bolt Catch Lock Failure for PMAG's Morality is nothing more than expressions of people's personal taste/ Right? Sorry, I see the bolt is hitting the follower i could not see that at first.. Not sure if I understand the problem correctly, but I thought the bolt catch is SUPPOSED to ride up on the follower? 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. 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. Could the magazine be too low? Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. I'm pretty sure it's in the 80% Section. Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. Seen here is a few examples of when a PMAG has to be manually removed: a problem that isn't present most of the time with plain old aluminum magazines. I dont readily know of a solution to the feed problem but I dont want to alter magazines to compensate for a receiver flaw. Have the power still to banish your defenders; till at length your ignorance, which finds not till it feels, making but reservation of yourselves, still your own foes, deliver you, as most abated captives to some nation that won you without blows!". Personally I wouldn't shoot it until you've got this issue corrected. The plunger and compressed spring are 0.490. The bolt catch problem can be solved by drilling the plunger hole deeper but I'd first like to solve the feed problem. One new winner* is announced every week! How is it though that my. My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. Excellent work with the pics and details. i have thermolds, and usgi mags and the rest of them work perfectly.. Scan this QR code to download the app now. Hope this helps. His mags didn't ride the bolt catch up so we tried them out. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* Try tightening the mag catch an extra turn. 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. Scan this QR code to download the app now. Cookie Notice Open the receivers to the maximum limit of the pin capabilities. Im almost through with my build, however I have noticed that my Seekins enhanced Bolt Catch in my Anderson lower is not locking back on PMags like it does on my aluminum and steel magazines. The Fix: 1.) JavaScript is disabled. For me I had to shave off small pieces of the mag to make the bolt catch itself latch. Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. PMAG problems - Midwest PX - New Jersey Gun Forums It knows when youre cheating..like Santa. Its best to identify these two common issues with your rifle, before attempting to diagnose problems with your magazines. At the moment just keep posting as usual, the edit feature will become available. Copyright © 308AR.com 2023 The tension on the bolt catch by the BCG helps keep the bolt catch firmly engaged over the rear of the follower of the Pmag. If so, it would cause both symptoms. Your previous content has been restored. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. These two pics right here, and the height difference. How do I make the install permanent for use in states such as. I too have seen issues with PMag followers. I recently bought 3 for my acr and when comparing it to the other mags i have for it, it seems the internal part does not come up high enough to lift the bolt catch. Again, kids running with scissors did this to us. JavaScript is disabled. the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. Fig. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. 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. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit Also the follower rides the bolt catch up A LOT. If you have something major to change a quick PM to a mod will get it fixed for ya. 10: Top of lower receiver to top of magazine catch = 0.696, Fig. Sounds like the pmag is riding a little high and rubbing the bottom of the carrier a bit. No need to answer that last question. Any use of this content without express written consent is prohibited. Coil bind on the spring? PMAG bolt lockback fix | Springfield XD Forum 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. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. It did. Your enemies, with nodding of their plumes, fan you into despair! Yours is 0.6640" for a difference of 0.028" which isn't as much as I expected based on drawings which is 0.049". So, I marked it and I'm gonna keep running it through to see if it happens anymore. What corresponding dimensions do you have? 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. TSiWRX. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. 11: Top of lower receiver to top of magazine release hole = 0.692. Here's a pic of the wear on the bolt catch caused by this: Here's the OEM mag (left) compared to the PMAG (right). 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. How can I make my rifle more reliable with PMags? Thanks for this HC, I'm going to inspect my Gen 3's to see if mine have the same witness marks.
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