Again, kids running with scissors did this to us. The edit feature will become available to you with just a few more posts on the forum. I deepened the hole to 0.480. Some people used a 9mm bolt catch, others shaved out the bolt catch area on the mag itself. Sounds like the pmag is riding a little high and rubbing the bottom of the carrier a bit. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. So, I marked it and I'm gonna keep running it through to see if it happens anymore. 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. No need to answer that last question. 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 . Seamac, did you have to modify the black polymer on the mag? It was initially 0.323 deep. 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. JavaScript is disabled. Powered by Invision Community, Problems with failure to feed AND failure to catch bolt. Please refer to our installation videos and the instructions on your packaging. Your enemies, with nodding of their plumes, fan you into despair! Some rifles are just finicky. The main concern is the failure to feed. How To Fix AR-15 Bolt Catch Lock Failure for PMAG's I don't and I didn't . honest. : "Watch what people are cynical about, and one can often discover what they lack.". 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!". Your previous content has been restored. New production Colt-pattern U.S. GI mags are four to five dollars cheaper than generation three PMAGs. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. The table shows the measurements of several magazines and the left or right cartridge. Its Alex C. with TFBTV. 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's not the bolt catch, itself, obviously. I was curious about how other magazines behaved in the lower so I measured them to simply verify reasonable consistency. My Pmag20 wont last round bolt hold open and fails to feed 10% of 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. The bolt catch rides up but not on the black polymer part of the mag, but the follower. 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 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. This is one of my pistols. The follower I wouldn't think should have witness marks on it though. Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately. Fig. You must log in or register to reply here. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! Upload or insert images from URL. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. 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. *Must have a registered ARFCOM account to win. For a better experience, please enable JavaScript in your browser before proceeding. 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 5. Excellent work with the pics and details. Magpul PMag issues . Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 7: Bolt catch fully extended, plunger removed = 0.443, Fig. 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 . Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? 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. We have also seen similar malfunctions in a sandy environment using military spec ammo with a dirty, gummed up weapon. For me it's almost all gen 2 P mags. Open the receivers to the maximum limit of the pin capabilities. This will severly damage your bolt group over time. 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. 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. Elite Aluminum Products although I dont know who made them. All Rights Reserved. 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. It did. 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. Your link has been automatically embedded. 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. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. These two pics right here, and the height difference. They are reliable, well-constructed, and produced by a company that has a great reputation. How is it though that my. and our Getting the Magpul PMAG to work with regular bolt catch Here's a photo showing the mags. I can manually push the bolt catch tab in to raise the catch higher. Also, PMAGs had trouble fitting in firearms like the British SA-80/L-85, and will not fit in the FN FS-2000 without the user modifying the weapon by removing a component that serves to seal the weapon from dirt and debris. If you experience this issue, make sure your lower is within spec, and your bolt catch is installed correctly and not worn down. We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. Not up on the 80% stuff myself but we have a thread with lots of different brand bolt catches and the dimensions that may help on that end, please add to it if you have something not listed there. Replace the empty magazine with a new 10 round magazine and let it click into place. I wish I could edit the original post to correct this. 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. The gun will feed rounds from the PMAGs no problem. PMAG feeding problem, jamming on chamber face Check all your mags, especially PMAGS, but check all mags!! Checking mine now! Note the different rear opening. My Colt LE6920 bolt is not locking back when the last round is fired nor when I insert an empty magpul pmag magazine. 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 mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. I just checked and my BM lower does the same. Could i just have faulty mags? Suggestions? I suspect yours will be higher than mine. There were no ammunition-related issues during the review. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. 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. Mine seem to be fine after trimming of course. Copyright 1996-2023 AR15.COM LLC. The plunger hole on this 80% lower was supposed to have already been finished. TFB Review: Over 1,000 Rounds With The Springfield Hellion Professional. I have both just to keep ammo separated. Any use of this content without express written consent is prohibited. What's stopping your bolt catch travel, when you have that plunger and spring in there? AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Then collapse that spring ON the plunger, to coil bind, and measure the OAL of both (with spring in coil bind). I just don't know why my friend has witness marks on his pmags after use in my Scar 16s. .661 from top of receiver to top of mag catch inside magwell. 3: Magazine feed lips height = 0.446, Fig. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Does your caliper also have a depth gauge that can get the internal depth to the mag catch as in figure 10? I'm pretty sure it's in the 80% Section. Iiiiffffff I owned one of those evil black rifles , I might buy the Hexmag brand when they went on sale for $6.95 ea. 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". I too have seen issues with PMag followers. If you could post a pic of that comparison, it would be helpful. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated Pmags have worked fine in the past. Another P-Mag bolt catch issue? - AR15.COM 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. This will allow for easy removal of the magazine . I'm sure someone here can find that thread on the mag catch heights. 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. The metal Mag that came with my Stag worked fine however. If you have an account, sign in now to post with your account. 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. 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. Re: Magpul PMag issues. You cannot paste images directly. 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. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. If you have something major to change a quick PM to a mod will get it fixed for ya. Hey, everyone. 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. The P-mags always functioned. Additionally, unsafe and unintended methods of operation of the FIREARM may also cause non-compliance. The Fora platform includes forum software by XenForo. I read through the threads dealing with this issue. The ones I used were my friends and I checked the bolt catch before I shot. Mar 3, 2022. I'm looking forward to hearing some comments on this. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. If so, it might be worth trying another batch of pmags in case it's just a mold variation. You can post now and register later. PMAG Problems - Calguns.net The plunger and compressed spring are 0.490. Has anyone seen this? Not a back-breaking amount, mind you, but not insignificant. None of the 3 15/30 i have worked. The bolt can still be removed by grinding but will no longer be usable. Insert the steel DPMS mag and lock the bolt back and look through the ejection port and note how much of the bolt face the bolt catch covers. 10: Top of lower receiver to top of magazine release = 0.696, 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. Yes I had to trim the left side rear notch square before the BC laid perfectly flat. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. Ar10 bolt jamming up on PMag/mag release | Northwest Firearms PSA PA-10 Magazines, quick question. | Sniper's Hide Forum Try tightening the mag catch an extra turn. This solution will meet some states permanence requirements. My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. The problem is pretty simple, the magazine's follower is failing to raise the bolt catch. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. 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. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* It's a whole lot of details. Also don't buy anything from Beavercreek Armory in Hillsboro, Oregon as they screwed me over with this poorly built, out of spec rifle. 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. For a better experience, please enable JavaScript in your browser before proceeding. NEW PRICING: All products have been reduced 10%! Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. Anyone else having problems with the 15/30. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. :??? JavaScript is disabled. I used a digital caliper depth gauge as shown in the picture. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. 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). Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. You are using an out of date browser. 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. It's brand new so it couldn't be anything crazy like the gas block. Repeat for the P-mags and note any difference. It was initially 0.323 deep. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 Alex is a Senior Writer for The Firearm Blog and Director of TFBTV. Problems I have run into in the past include, firstly, that they wont drop free in a lot of firearms. Bolt Catch issues w/ Pmags + Advice Needed - AR15.COM How do I make the install permanent for use in states such as. The mag doesn't need to come up so far as to cause this condition but the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. JWardJune 15, 2020 in Building a .308AR. For me I had to shave off small pieces of the mag to make the bolt catch itself latch. This is not the case with PMAGs in many platforms. Not trying to be a dick, but can you summarize in one sentence what the rifle is NOT doing? UPDATE: After seeing these pictures, I checked my factory mag. If your upper and lower receivers are MIL-SPEC the ARMagLock will work. 16s and pmag Gen 3 problems!! | FN Herstal Firearms the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. 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. Problems with failure to feed AND failure to catch bolt Maybe after Magpul completes their move they'll address some of their mold issues, 'til then it's best to check. i have thermolds, and usgi mags and the rest of them work perfectly.. Scan this QR code to download the app now. Press the AR MAGLOCK magazine release button. 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. How can I make my rifle more reliable with PMags? Always use the firearm and AR MAGLOCK products as designed, engineered and intended for use. Depth of the hole? Reddit and its partners use cookies and similar technologies to provide you with a better experience. The Fix: 1.) Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. The BC looks the same so this is a non issue. Is it the length of the plunger? After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. For a while you only had so long to make the edit and then never again. 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. 8: Bolt Carrier to upper receiver = 0.283. Hope this helps. The mag on the left is the metal 10 round mag, the two to the right are Pmags. 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/]. Crap! The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. PMag Not Locking Bolt Catch : ar15 I'll have to get measurements later. We have heard reports these malfunctions often happened with Wolf, Tula, and Brown Bear ammo. Next up is damage to the SCAR. 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. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. 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. One new winner* is announced every week! 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. Paste as plain text instead, Personally I wouldn't shoot it until you've got this issue corrected. It knows when youre cheating..like Santa. Definitely try another couple magazines, including one from another manufacturer. I read your post twice, I still don't see the malfunction. Display as a link instead, Indeed, if could be too low, and we have a HELL of a thread here on that very issue. "And here remain with your uncertainty! 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. Fig. 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. I don't know if this is an indication of another problem being that the bolt catch is too far left. Problem: 30 round Pmag follower doesn't catch on the front lip of the bolt catch. Today I had some last shot hold open issues while using 20 round P-mags. Take off your upper receiver, throw in that empty mag. 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? P-Mag Follower and Bolt Catch Engagement *Issue Resolved! /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. AR10 bolt catch issues : r/AR10 The bolt partially strips a round but doesnt chamber it and just drags over the top of it. While the weight difference may not seem like much to a civilian shooter who packs up his shiny, clean competition rifle into his Pelican case and totes it to and from the range in the family truckster, you hear about things like guys cutting toothbrushes in half to save weight in the military. 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. You'll need to clay the upper, just like you'd do if you were checking an engine for piston-to-valve clearance. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. But with firearms, there really is seldom a one size fits all option for, well, anything. Could use some advice, being this is a problem on MANY ARs, not just the M&P's. 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. *Must have a registered ARFCOM account to win. They all functioned fine. 10: Top of lower receiver to top of magazine catch = 0.696, Fig. A: Some states require the compliance solution be made permanent. 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). It may not display this or other websites correctly. I thought it was a nonissue with the gen 3. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. So far so good. [ARCHIVED THREAD] - Another P-Mag bolt catch issue. I could not find it for a few days so I checked it. Loading magazines at home means more shooting time at the range. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information.

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