Elite Aluminum Products although I dont know who made them. 10: Top of lower receiver to top of magazine catch = 0.696, Fig. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. JWardJune 15, 2020 in Building a .308AR. UPDATE: After seeing these pictures, I checked my factory mag. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit Pasted as rich text. Has anyone seen this? Replace the empty magazine with a new 10 round magazine and let it click into place. We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. "And here remain with your uncertainty! Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 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. A new one can be sent upon request. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. I was curious about how other magazines behaved in the lower so I measured them to simply verify reasonable consistency. 11: Top of lower receiver to top of magazine release hole = 0.692. PMAG bolt lockback fix | Springfield XD Forum 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. 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. It's brand new so it couldn't be anything crazy like the gas block. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. PMAG feeding problem, jamming on chamber face If you have something major to change a quick PM to a mod will get it fixed for ya. Some people used a 9mm bolt catch, others shaved out the bolt catch area on the mag itself. I deepened the hole to 0.480. 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. You can post now and register later. PMAG problems - Midwest PX - New Jersey Gun Forums The ones I used were my friends and I checked the bolt catch before I shot. 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!". PMAG "bolt catch interference" Issue with LMT MWS Thanks shooterrex. What corresponding dimensions do you have? I actually just noticed this issue on my Colt 6920 with Magpul M2 PMAGS. Magpul Pmag Bolt Hold Open Problem - YouTube After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. The bolt catch problem can be solved by drilling the plunger hole deeper but Id first like to solve the feed problem. Switch the Safety selector to 'Safe'. This is. You cannot paste images directly. The mag on the left is the metal 10 round mag, the two to the right are Pmags. I just don't know why my friend has witness marks on his pmags after use in my Scar 16s. 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. Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. One new winner* is announced every week! Pics to follow. 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. Mag still wobbles the same and the error still remains. 8: Bolt Carrier to upper receiver = 0.283. I don't and I didn't . honest. Pmags have worked fine in the past. I will lock back, but requires a strong pull, instead of the gentle slide fully to the rear with aluminum or steel. If someone can answer that, I'd appreciate it. I deepened the hole to 0.480. Close the receivers back together and re-engage the rear takedown pin. Fig. This is not the case with PMAGs in many platforms. I started construction with the lower at 80%. What's stopping your bolt catch travel, when you have that plunger and spring in there? Some rifles are just finicky. Coil bind on the spring? 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. 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. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. I'm looking forward to hearing some comments on this. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 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/]. [ARCHIVED THREAD] - Bolt Catch issues w/ Pmags + few questions, https://www.triggershims.com/ar_15_shims.html. Clear editor. 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. Today I had some last shot hold open issues while using 20 round P-mags. It was initially 0.323 deep. Similar occurences? Next up is damage to the SCAR. 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. NEW PRICING: All products have been reduced 10%! 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. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. What changed? We have heard reports these malfunctions often happened with Wolf, Tula, and Brown Bear ammo. It's not the bolt catch, itself, obviously. JavaScript is disabled. A forum community dedicated to FN Herstal firearm owners and enthusiasts. I am having no problems with Gen 2 or Gen 3 Pmags in a variety of lowers using mil-spec mag and bolt catches, which are also from a variety of suppliers. The bolt can still be removed by grinding but will no longer be usable. 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. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* If your upper and lower receivers are MIL-SPEC the ARMagLock will work. 16s and pmag Gen 3 problems!! | FN Herstal Firearms Thanks for this HC, I'm going to inspect my Gen 3's to see if mine have the same witness marks. This will severly damage your bolt group over time. A: Some states require the compliance solution be made permanent. Bolt Catch issues w/ Pmags + few questions - AR15.COM TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! PMag Not Locking Bolt Catch : ar15 magpul pmag milspec bolt catch problem : r/ar15 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. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Re: Magpul PMag issues. . Operation of any AR MAGLOCK products outside the standard method of operation or its original intended use may cause non-compliance to laws / regulations, and injury or death. 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. My Pmag20 wont last round bolt hold open and fails to feed 10% of the The problem is pretty simple, the magazine's follower is failing to raise the bolt catch. If so, it might be worth trying another batch of pmags in case it's just a mold variation. Also don't buy anything from Beavercreek Armory in Hillsboro, Oregon as they screwed me over with this poorly built, out of spec rifle. That should fix it. How do I make the install permanent for use in states such as. Continue until the upper lip is flush with the upper receiver when closed. If you experience this issue, make sure your lower is within spec, and your bolt catch is installed correctly and not worn down. 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). It did. The plunger hole was too shallow but even after deepening it, the bolt catch still isn't pushedup high enough because the magazine follower is too low. Bolt Catch issues w/ Pmags + Advice Needed - AR15.COM Copyright 1996-2023 AR15.COM LLC. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. If you use PMAGS with your SCAR, READ THIS! - AR15.COM 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. It knows when youre cheating..like Santa. Privacy Policy. Iiiiffffff I owned one of those evil black rifles , I might buy the Hexmag brand when they went on sale for $6.95 ea. 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. The follower I wouldn't think should have witness marks on it though. The main concern is the failure to feed. .661 from top of receiver to top of mag catch inside magwell. 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. 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 bolt partially strips a round but doesnt chamber it and just drags over the top of it. That should tell you what's going on. Again, kids running with scissors did this to us. JavaScript is disabled. 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. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. The issue is with bolt lock back. 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. All Rights Reserved. I can manually push the bolt catch tab in to raise the catch higher. For more information, please see our Professional. I'm pretty sure it's in the 80% Section. The metal Mag that came with my Stag worked fine however. It may not display this or other websites correctly. I think I may just shoot it a few mags and see what happens.. It's a precaution against folks who like to cause trouble immediately after joining up. i have a gen 3 pmag without the window and its kind of frustrating. 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. 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 check out the. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. Well, there are several reasons for this. 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". Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. I read through the threads dealing with this issue. Mar 3, 2022. Note the different rear opening. Try tightening the mag catch an extra turn. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. Pmag VS Hexmag Paste as plain text instead, 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. Cookie Notice His mags didn't ride the bolt catch up so we tried them out. I'll try and grab my camera. I'll have to get measurements later. For me I had to shave off small pieces of the mag to make the bolt catch itself latch. It was initially 0.323 deep. It may not display this or other websites correctly. Please refer to our installation videos and the instructions on your packaging. Your previous content has been restored. Yes I had to trim the left side rear notch square before the BC laid perfectly flat. 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. The plunger and compressed spring are 0.490. 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. I have a DPMS pattern LR-308 under construction that has a failure to feed and fails to catch the bolt on an empty magazine. 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. Come join the discussion about optics, modifications, gunsmithing, styles, reviews, accessories, classifieds, and more! I wish I could edit the original post to correct this. I read your post twice, I still don't see the malfunction. I recently assembled this Noveske rifle and bought 3. 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. 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. 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. Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. AR10 bolt catch issues : r/AR10 Excellent work with the pics and details. The max difference is 0.030".The real problem is where the mag catch hole is in the lower. 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! I dont know what the limit is before you earn the edit privileges. 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. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. Any use of this content without express written consent is prohibited. That said, there is a reason that there are generations of these magazines. Press the AR MAGLOCK magazine release button. Always use the firearm and AR MAGLOCK products as designed, engineered and intended for use. How can I make my rifle more reliable with PMags? 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. Scan this QR code to download the app now. Can anyone offer insight to the cause of or solution to these problems? 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. Suggestions? 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. Posted July 20, 2016 in Shooting Accessories, TFBTV by Alex C. with 210 CommentsTags: I'm the guy at the store with 27 coupons, Magpul, pmag, PMAGs, Tightwad. Let every feeble rumor shake your hearts! They are not as likely to happen with premium ammo yet the chance is still there. IMHO, I would get a USGI / high / known quality bolt catch and try one of those. Measure the depth of the hole, first. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated No need to answer that last question. 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. The BC looks the same so this is a non issue. As soon as my wife lifts our household arms embargo, I will have one. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. I do need to know the correct distance of the top of the mag catch to the top of the lower as in figure 10 by using a depth gauge. 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. Fig. PMAG Problems - Calguns.net The P-mags always functioned. So far so good. Powered by Invision Community, Problems with failure to feed AND failure to catch bolt. My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. Loading magazines at home means more shooting time at the range. 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. This is one of my pistols. For a while you only had so long to make the edit and then never again. 3: Magazine feed lips height = 0.446, Fig. The plunger hole on this 80% lower was supposed to have already been finished. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. (not my lower, but my exact problem!) For a better experience, please enable JavaScript in your browser before proceeding. These two pics right here, and the height difference. *Must have a registered ARFCOM account to win. The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues.
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