I dont know what the limit is before you earn the edit privileges. This will severly damage your bolt group over time. Professional. Suggestions? I'd delete it if I could. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. The issue is with bolt lock back. i have my pmags and i am just noticing a problemtried it out on 3 seperate lowers all of them have the same problem: http://img.photobucket.com/albums/v488/derek45/AR/IMGP5612.jpg, 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. For a better experience, please enable JavaScript in your browser before proceeding. Fig. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. The mag on the left is the metal 10 round mag, the two to the right are Pmags. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. You must log in or register to reply here. 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. The BC looks the same so this is a non issue. Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? Maybe it's raising it too much, but a locked bolt is a locked bolt. If so, it might be worth trying another batch of pmags in case it's just a mold variation. 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. PMag Not Locking Bolt Catch : ar15 The bolt can still be removed by grinding but will no longer be usable. A: Some states require the compliance solution be made permanent. 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. 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. This is not the case with PMAGs in many platforms. PMAG feeding problem, jamming on chamber face Replace the empty magazine with a new 10 round magazine and let it click into place. The plunger and compressed spring are 0.490. 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. 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). I can manually push the catch tab in to raise the catch higher. 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. All Rights Reserved. magpul pmag milspec bolt catch problem : r/ar15 It's not the bolt catch, itself, obviously. Why not just ditch the PMags? One new winner* is announced every week! The bolt catch problem can be solved by drilling the plunger hole deeper but Id first like to solve the feed problem. *, 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 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. At the moment just keep posting as usual, the edit feature will become available. As soon as my wife lifts our household arms embargo, I will have one. For a better experience, please enable JavaScript in your browser before proceeding. What's stopping your bolt catch travel, when you have that plunger and spring in there? If that's what the bolt catch is suppossed to look like then my mags are a lil out of spec when inserted into the lower. TFB Review: Over 1,000 Rounds With The Springfield Hellion If you use PMAGS with your SCAR, READ THIS! - AR15.COM If you have an account, sign in now to post with your account. 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). Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. 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). Yes I had to trim the left side rear notch square before the BC laid perfectly flat. I thought it was a nonissue with the gen 3. I started construction with the lower at 80%. I recently assembled this Noveske rifle and bought 3. To my knowledge, no PMAGs will work in the FS-2000 to this day without modification. You can post now and register later. 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. What the problem is: The lip on the un-fixed P-mag pushes the mag release/Bolt catch bar up just enough to catch the bolt group, but not enough to stop it. Mick 1 month later. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. 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 . Elite Aluminum Products although I dont know who made them. NEVER use this product outside the standard method of operation as it will cause the rifle to no longer be in compliance and you risk arrest. 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. Fig. It is tight getting the depth gauge to the lower so the caliper may need to be slightly rotated but not in a direction that will affect the height measurement. Again, kids running with scissors did this to us. 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. I picked up a SCAR 16s last week and put 50 rounds through it with no problems at all (using the FN mag). I used a digital caliper depth gauge as shown in the picture. 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 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. AR10 bolt catch issues : r/AR10 Magpul Pmag Bolt Hold Open Problem - YouTube Not a back-breaking amount, mind you, but not insignificant. Because of the cost difference, weight, compatibility issues, and not dropping free in many platforms, Ill stick with what I know works. Here's a photo showing the mags. Some rifles are just finicky. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. 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. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. Try tightening the mag catch an extra turn. 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). 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. 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. If someone can answer that, I'd appreciate it. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Your link has been automatically embedded. Today I had some last shot hold open issues while using 20 round P-mags. Seamac, did you have to modify the black polymer on the mag? Also the follower rides the bolt catch up A LOT. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. Coil bind on the spring? Pmag Problem | Northeastshooters.com Forums I don't and I didn't . honest. A forum community dedicated to FN Herstal firearm owners and enthusiasts. Bolt Catch issues w/ Pmags + few questions - AR15.COM Cookie Notice PMAG "bolt catch interference" Issue with LMT MWS Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. The upper, lower, and jig are from Daytona Tactical d.b.a. It knows when youre cheating..like Santa. Also, since the follower rides too high the pmags I used made a dent in the follower from the bolt. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 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!". 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 Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. This will allow for easy removal of the magazine . TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! 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. Clear editor. Your enemies, with nodding of their plumes, fan you into despair! This is. *Must have a registered ARFCOM account to win. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. The max difference is 0.030".The real problem is where the mag catch hole is in the lower. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. If so, it would cause both symptoms. They are reliable, well-constructed, and produced by a company that has a great reputation. I had that issue with a couple Lancer mags, ended up replacing that bolt catch when it broke with a Sig 716 bolt catch and now the one Lancer mag I saved that had the issue works in that rifle. The Fix: 1.) AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Not trying to be a dick, but can you summarize in one sentence what the rifle is NOT doing? For a better experience, please enable JavaScript in your browser before proceeding. the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. Problem: 30 round Pmag follower doesn't catch on the front lip of the bolt catch. 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. Operation of an AR-15 without the receivers / action fully closed may result in serious injuries or death. I'm looking forward to hearing some comments on this. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. It's brand new so it couldn't be anything crazy like the gas block. I dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. 3: Magazine feed lips height = 0.446, Fig. Can anyone offer insight to the cause of or solution to these problems? Checking mine now! I sanded the top rib along the back wall of the mag near the feed and the feed itself and problem seems to have resolved. Sounds like the pmag is riding a little high and rubbing the bottom of the carrier a bit. 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 bolt partially strips a round but doesnt chamber it and just drags over the top of it. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 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. Mine seem to be fine after trimming of course. Copyright 1996-2023 AR15.COM LLC. 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. When I release the bolt, the back end of the follower is sticking up, and the bolt will strip the follower right out of the top of the magazine if I let it go. These two pics right here, and the height difference. and might have several still in the packaging. That should tell you what's going on. 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. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated 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. check out the. 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. 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). The ones I used were my friends and I checked the bolt catch before I shot. How do I make the install permanent for use in states such as. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* 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. Indeed, if could be too low, and we have a HELL of a thread here on that very issue. Depth of the hole? IMHO, I would get a USGI / high / known quality bolt catch and try one of those. Morality is nothing more than expressions of people's personal taste/ Right? After installation of the ARMagLock the button is. . Switch the Safety selector to 'Safe'. 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! This is one of my pistols. The plunger hole on this 80% lower was supposed to have already been finished. It did. You'll need to clay the upper, just like you'd do if you were checking an engine for piston-to-valve clearance. I like the idea that I can accomplish a speedy reload by pressing a button and kicking a magazine out. I actually just noticed this issue on my Colt 6920 with Magpul M2 PMAGS. Alex is a Senior Writer for The Firearm Blog and Director of TFBTV. NEW PRICING: All products have been reduced 10%! *Must have a registered ARFCOM account to win. Fig. [ARCHIVED THREAD] - Another P-Mag bolt catch issue. 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. P-Mag Follower and Bolt Catch Engagement *Issue Resolved! 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. Bolt Catch issues w/ Pmags + Advice Needed - AR15.COM Is it the length of the plunger? They all functioned fine. PMAG bolt lockback fix | Springfield XD Forum The mags cause the bolt catch to rise ever . That one issue, right there, because in the previous pics, that bolt catch isn't sticking up enough to reliably get that bolt face every time. PMAG problems - Midwest PX - New Jersey Gun Forums I have about 15 Amend 2 mags, but that's out of 20 because 5 of them wouldn't drop out of the mag well by themselves. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. What changed? I deepened the hole to 0.480. Once bolt was locked to the rear or closed, it would engage the catch and seat properly on the "bad" mag. 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. The mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. The edit feature will become available to you with just a few more posts on the forum. Its best to identify these two common issues with your rifle, before attempting to diagnose problems with your magazines. "And here remain with your uncertainty! JavaScript is disabled. Check all your mags, especially PMAGS, but check all mags!! Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. 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. Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. JavaScript is disabled. 11: Top of lower receiver to top of magazine release hole = 0.692. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Thanks shooterrex. Pmags have worked fine in the past. Open the receivers to the maximum limit of the pin capabilities. You are using an out of date browser. Any use of this content without express written consent is prohibited. Upload or insert images from URL. Your previous content has been restored. 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.