But with firearms, there really is seldom a one size fits all option for, well, anything. Also, since the follower rides too high the pmags I used made a dent in the follower from the bolt. It's not the bolt catch, itself, obviously. *Must have a registered ARFCOM account to win. View attachment 25288. Coil bind on the spring? 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. Hope this helps. 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! [ARCHIVED THREAD] - Another P-Mag bolt catch issue. How can I make my rifle more reliable with PMags? Mine seem to be fine after trimming of course. 1.4k If so, it would cause both symptoms. Pics to follow. 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. If someone can answer that, I'd appreciate it. Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? As soon as my wife lifts our household arms embargo, I will have one. I just don't know why my friend has witness marks on his pmags after use in my Scar 16s. The problem is pretty simple, the magazine's follower is failing to raise the bolt catch. I liken this to a person who lives in an urban area with an office job, assuming that nobody needs anything more than a Toyota Camry, while overlooking the fact that some people need things such as towing capacity, off-road capability, or more seats for a larger family. This will allow for easy removal of the magazine . PSA PA-10 Magazines, quick question. | Sniper's Hide Forum 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. Copyright 1996-2023 AR15.COM LLC. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Again, kids running with scissors did this to us. 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. Clear editor. Thanks for the reply. Loading magazines at home means more shooting time at the range. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. 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. : "Watch what people are cynical about, and one can often discover what they lack.". Some people used a 9mm bolt catch, others shaved out the bolt catch area on the mag itself. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 It may not display this or other websites correctly. I didn't include that aspectbecause the bolt easily clears the bolt catch (figure 4) so I didn't want to throw in a red herring andconfuse the issue. How is it though that my. Not trying to be a dick, but can you summarize in one sentence what the rifle is NOT doing? So, I marked it and I'm gonna keep running it through to see if it happens anymore. Maybe it's raising it too much, but a locked bolt is a locked bolt. 3: Magazine feed lips height = 0.446, Fig. A new one can be sent upon request. Display as a link instead, All Rights Reserved. Suggestions? Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Here's a photo showing the mags. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. I don't and I didn't . honest. and our One new winner* is announced every week! One new winner* is announced every week! I inspected my mags after I received my order and that's when I saw the bolt catch was up and went wtf face palm*. As weird as this will sound, you need to measure the length of your recoil buffer, and the internal depth of your buffer tube and post it here in addition to the excellent info already provided. In total, I (and friends) fired about 1,200 rounds in this review, 1,000 PMC .223 55-grain, about 200 reloads (a mix of 77- and 75-grain), and 20 rounds of Tula steel case at the very end. Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. I suspect yours will be higher than mine. JavaScript is disabled. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. Bolt Catch issues w/ Pmags + few questions - AR15.COM PMAG problems - Midwest PX - New Jersey Gun Forums Using PMAGs can actually do irreparable damage to an FN SCAR rifle. The problem apears to be that the mag follower tab does not protrude out the back of the mag far enough, the follower wants to ride more forward in the mag body, and the end of the catch tab is not lifted upwards to active the catch. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. This is not the case with PMAGs in many platforms. Note the different rear opening. Pmag Problem | Northeastshooters.com Forums His mags didn't ride the bolt catch up so we tried them out. "And here remain with your uncertainty! AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. 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/]. Personally I wouldn't shoot it until you've got this issue corrected. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. Check all your mags, especially PMAGS, but check all mags!! The plunger and compressed spring are 0.490. I find it interesting that in the "Bolt Catch Issues" section of the article, they mention that if the gun's bolt-catch fails to operate properly, instead of simply checking other mags, their first-line troubleshooting is to check the critical dimensions . Is it the length of the plunger? Replace the empty magazine with a new 10 round magazine and let it click into place. Lastly, not only are PMAGs more expensive than the alternative, but also heavier. How To Fix AR-15 Bolt Catch Lock Failure for PMAG's We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. Pasted as rich text. I read your post twice, I still don't see the malfunction. This will severly damage your bolt group over time. Could i just have faulty mags? Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately. IMHO, I would get a USGI / high / known quality bolt catch and try one of those. Then collapse that spring ON the plunger, to coil bind, and measure the OAL of both (with spring in coil bind). Loctite (red) or epoxy the Allen bolt into the standoff (threaded barrel tube), and lightly drilling the bolt head facets with a 1/8 drill bit until the socket teeth are rounded. Because both symptoms exist, it seems that the components within each receiver may be too far from each other which leads me to suspect that the interface between the upper or lower is too thick. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. We are all guilty of doing this, in one way or another. We have also seen similar malfunctions in a sandy environment using military spec ammo with a dirty, gummed up weapon. What corresponding dimensions do you have? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. PMAG "bolt catch interference" Issue with LMT MWS Because of the cost difference, weight, compatibility issues, and not dropping free in many platforms, Ill stick with what I know works. 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!". Fig. The edit feature will become available to you with just a few more posts on the forum. AR platform is new to me, and I hope I don't upset anyone here because I am a noob when it comes to ARs. I could not find it for a few days so I checked it. For more information, please see our I'd like to get measurements with lowers that did not start as an 80% because there have been reports of80% lowers having the same problem as mine. Either the hole gets deeper, or a couple coils come off the spring, or the tail on the plunger gets shortened. 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. PMAG Problems - Calguns.net Why I Don't Use PMAGs 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. New firearms are designed around common Colt-pattern mags, and Magpul has to keep accommodating new designs with generational changes, or new offerings altogether, like they did with the EMAG. Depth of the hole? 7: Bolt catch fully extended, plunger removed = 0.443, Fig. The metal Mag that came with my Stag worked fine however. Re: Magpul PMag issues. 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. . I have both just to keep ammo separated. Depending on the rear takedown pin you are using either pull the pin (Tacticool pin) or actuate the pin to disengage the receivers (KingPin & Hyperswitch). This can cause partial engagement of the bolt catch and result in unintentional contact between the bolt carrier group and the bolt catch during normal weapon operation. I'd delete it if I could. I ordered 10 mags from brownells after I saw they didn't ride the bolt up. Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. I dont readily know of a solution to the feed problem but I dont want to alter magazines to compensate for a receiver flaw. Magpul PMag issues Your link has been automatically embedded. Its Alex C. with TFBTV. The plunger and compressed spring are 0.490. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! The Fora platform includes forum software by XenForo. I deepened the hole to 0.480. These two pics right here, and the height difference. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* 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 I'll try and grab my camera. PMag Not Locking Bolt Catch : ar15 At the moment just keep posting as usual, the edit feature will become available. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated Fig. the tip of the bolt catch that is supposed to be actuated by the back end of the magazine follower is missing the follower and end up not catching the bolt once the mag is empty i have a gen 3 pmag without the window and its kind of frustrating. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. 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. That said, there is a reason that there are generations of these magazines. If you experience this issue, make sure your lower is within spec, and your bolt catch is installed correctly and not worn down. Open the receivers to the maximum limit of the pin capabilities. 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. Crap! The bolt catch on the AR platform is directly in the center of the mag, so the shape of the notch doesn't matter on the AR, but on the SCAR, the bolt catch is offset slightly to the left. My fix was with Gen2 pmags. 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. Elite Aluminum Products although I dont know who made them. It's a precaution against folks who like to cause trouble immediately after joining up. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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. 11: Top of lower receiver to top of magazine release hole = 0.692. Yes I had to trim the left side rear notch square before the BC laid perfectly flat. .661 from top of receiver to top of mag catch inside magwell. 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 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.

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