Maybe after Magpul completes their move they'll address some of their mold issues, 'til then it's best to check. It's a whole lot of details. PMAG "bolt catch interference" Issue with LMT MWS 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. I ordered 10 mags from brownells after I saw they didn't ride the bolt up. You cannot paste images directly. Mag still wobbles the same and the error still remains. 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). The bolt can still be removed by grinding but will no longer be usable. My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Thanks for the reply. A forum community dedicated to FN Herstal firearm owners and enthusiasts. 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 table shows the measurements of several magazines and the left or right cartridge. I suspect yours will be higher than mine. I'm sure someone here can find that thread on the mag catch heights. The Fix: 1.) Professional. 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. 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. If you experience this issue, make sure your lower is within spec, and your bolt catch is installed correctly and not worn down. PSA PA-10 Magazines, quick question. | Sniper's Hide Forum These same parts are available from other vendors. New production Colt-pattern U.S. GI mags are four to five dollars cheaper than generation three PMAGs. the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. Reddit and its partners use cookies and similar technologies to provide you with a better experience. I recently assembled this Noveske rifle and bought 3. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. What changed? For me it's almost all gen 2 P mags. Another P-Mag bolt catch issue? - AR15.COM 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!". No need to answer that last question. So far so good. #5. Repeat for the P-mags and note any difference. *Must have a registered ARFCOM account to win. (not my lower, but my exact problem!) Again, kids running with scissors did this to us. If you use PMAGS with your SCAR, READ THIS! - AR15.COM Could use some advice, being this is a problem on MANY ARs, not just the M&P's. Yes I had to trim the left side rear notch square before the BC laid perfectly flat. 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. The plunger hole on this 80% lower was supposed to have already been finished. 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. 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. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The bolt catch problem can be solved by drilling the plunger hole deeper but Id first like to solve the feed problem. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. 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. 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 tension on the bolt catch by the BCG helps keep the bolt catch firmly engaged over the rear of the follower of the Pmag. That should fix it. But with firearms, there really is seldom a one size fits all option for, well, anything. Could the magazine be too low? The bolt passes over the cartridge instead of stripping it from the magazine. Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. Getting the Magpul PMAG to work with regular bolt catch We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. If so, it might be worth trying another batch of pmags in case it's just a mold variation. I'd delete it if I could. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. i have thermolds, and usgi mags and the rest of them work perfectly.. Scan this QR code to download the app now. Talyn said: Pmag VS Hexmag. The bolt catch problem can be solved by drilling the plunger hole deeper but I'd first like to solve the feed problem. TSiWRX. [ARCHIVED THREAD] - Bolt Catch issues w/ Pmags + few questions, https://www.triggershims.com/ar_15_shims.html. UPDATE: After seeing these pictures, I checked my factory mag. 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. The gun will feed rounds from the PMAGs no problem. Why I Don't Use PMAGs JavaScript is disabled. 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. 10: Top of lower receiver to top of magazine catch = 0.696, Fig. Problem: 30 round Pmag follower doesn't catch on the front lip of the bolt catch. P-Mag Follower and Bolt Catch Engagement *Issue Resolved! 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. We have heard reports these malfunctions often happened with Wolf, Tula, and Brown Bear ammo. Could i just have faulty mags? Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. Press the AR MAGLOCK magazine release button. Privacy Policy. 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. I started construction with the lower at 80%. 80% ar-10 bolt jammed m5e1 pmag stuck 1 2 Next Mk3Mstr6Mchne0 Atlington, Washington Messages 12 Reactions 28 Apr 30, 2019 #1 this is kind of hard to explain, I am also pretty experienced with the AR platform, my M5e1 upper is assembled on an 80% lower. Problems with failure to feed AND failure to catch bolt Mine seem to be fine after trimming of course. Also the follower rides the bolt catch up A LOT. 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. That said, there is a reason that there are generations of these magazines. Just did this, no difference. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. The P-mags always functioned. This is not the case with PMAGs in many platforms. If you could post a pic of that comparison, it would be helpful. 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. The plunger and compressed spring are 0.490. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. I used a digital caliper depth gauge as shown in the picture. Seamac, did you have to modify the black polymer on the mag? Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Problems I have run into in the past include, firstly, that they wont drop free in a lot of firearms. Mar 3, 2022. TFB Review: Over 1,000 Rounds With The Springfield Hellion If you have an account, sign in now to post with your account. magpul pmag milspec bolt catch problem : r/ar15 It's not the bolt catch, itself, obviously. I deepened the hole to 0.480. Take off your upper receiver, throw in that empty mag. 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. Ar10 bolt jamming up on PMag/mag release | Northwest Firearms All Rights Reserved. Not a back-breaking amount, mind you, but not insignificant. Is it the length of the plunger? 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. Indeed, if could be too low, and we have a HELL of a thread here on that very issue. 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. PMAG Problems - Calguns.net Lastly, not only are PMAGs more expensive than the alternative, but also heavier. . The bolt partially strips a round but doesnt chamber it and just drags over the top of it. I wish I could edit the original post to correct this. The plunger hole on this 80% lower was supposed to have already been finished. Pasted as rich text. 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. JWardJune 15, 2020 in Building a .308AR. Fig. There were no ammunition-related issues during the review. Your link has been automatically embedded. You can post now and register later. Then collapse that spring ON the plunger, to coil bind, and measure the OAL of both (with spring in coil bind). 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. 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. PMAG feeding problem, jamming on chamber face One new winner* is announced every week! By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! Try tightening the mag catch an extra turn. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. *Must have a registered ARFCOM account to win. 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*. This solution will meet some states permanence requirements. Either the hole gets deeper, or a couple coils come off the spring, or the tail on the plunger gets shortened. Please refer to our installation videos and the instructions on your packaging. We have also seen similar malfunctions in a sandy environment using military spec ammo with a dirty, gummed up weapon. Coil bind on the spring? Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately. The main concern is the failure to feed. Anyone else having problems with the 15/30. If so, it would cause both symptoms. The mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. 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. Some people used a 9mm bolt catch, others shaved out the bolt catch area on the mag itself. I'll have to get measurements later. Before that would be a solution - you need tocheck how much further into the upper receiver that your magazine will go. Any use of this content without express written consent is prohibited. Here's a photo showing the mags. 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 dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. None of the 3 15/30 i have worked. 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 . One new winner* is announced every week! Sounds like the pmag is riding a little high and rubbing the bottom of the carrier a bit. Can anyone offer insight to the cause of or solution to these problems? 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. What measurements do you have on your lower? This is one of my pistols. 8: Bolt Carrier to upper receiver = 0.283. "And here remain with your uncertainty! I thought it was a nonissue with the gen 3. Cookie Notice Close the receivers back together and re-engage the rear takedown pin. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* For a better experience, please enable JavaScript in your browser before proceeding. 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 was initially 0.323 deep. Fig. :??? I dont know what the limit is before you earn the edit privileges. Loading magazines at home means more shooting time at the range. Not trying to be a dick, but can you summarize in one sentence what the rifle is NOT doing? The max difference is 0.030".The real problem is where the mag catch hole is in the lower. For a better experience, please enable JavaScript in your browser before proceeding. Suggestions? I like the idea that I can accomplish a speedy reload by pressing a button and kicking a magazine out. 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). My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. Any use of this content without express written consent is prohibited. Why not just ditch the PMags? 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. The bolt catch rides up but not on the black polymer part of the mag, but the follower. Mick 1 month later. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. The mags cause the bolt catch to rise ever . This will allow for easy removal of the magazine . What corresponding dimensions do you have? Thanks shooterrex. 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. Maybe it's raising it too much, but a locked bolt is a locked bolt. 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. I was curious about how other magazines behaved in the lower so I measured them to simply verify reasonable consistency. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. How is it though that my. If someone can answer that, I'd appreciate it. Scan this QR code to download the app now. Paste as plain text instead, 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. The metal Mag that came with my Stag worked fine however. I will lock back, but requires a strong pull, instead of the gentle slide fully to the rear with aluminum or steel. 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. [ARCHIVED THREAD] - Another P-Mag bolt catch issue. 1.4k Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Because of the cost difference, weight, compatibility issues, and not dropping free in many platforms, Ill stick with what I know works. NEW PRICING: All products have been reduced 10%! 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. Re: Magpul PMag issues. I deepened the hole to 0.480. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. 11: Top of lower receiver to top of magazine catch hole = 0.692. It was initially 0.323 deep. A: Some states require the compliance solution be made permanent. My Pmag20 wont last round bolt hold open and fails to feed 10% of the We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. Fig. Hey, everyone. 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. That might give a more consistent measurement between yours and mine. You are using an out of date browser. Come join the discussion about optics, modifications, gunsmithing, styles, reviews, accessories, classifieds, and more! Excellent work with the pics and details. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. I too have seen issues with PMag followers. 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. . The follower I wouldn't think should have witness marks on it though. It was initially 0.323 deep. I'll try and grab my camera. Operation of an AR-15 without the receivers / action fully closed may result in serious injuries or death. and might have several still in the packaging. View attachment 25288. Similar occurences? My Colt LE6920 bolt is not locking back when the last round is fired nor when I insert an empty magpul pmag magazine. It may not display this or other websites correctly. Magpul Pmag Bolt Hold Open Problem - YouTube 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". The BC looks the same so this is a non issue. The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. 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. 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. 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). They all functioned fine. Display as a link instead, It knows when youre cheating..like Santa. Elite Aluminum Products although I dont know who made them. Additionally, unsafe and unintended methods of operation of the FIREARM may also cause non-compliance. check out the. Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? 3: Magazine feed lips height = 0.446, Fig. I'm looking forward to hearing some comments on this. 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. If you have something major to change a quick PM to a mod will get it fixed for ya. 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. Hexmag for 260rem and pmag for 6.5creed. 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 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. Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. It's a precaution against folks who like to cause trouble immediately after joining up. It's brand new so it couldn't be anything crazy like the gas block. So, I marked it and I'm gonna keep running it through to see if it happens anymore. 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. That should tell you what's going on. They are reliable, well-constructed, and produced by a company that has a great reputation. JavaScript is disabled. 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. Pmag Problem | Northeastshooters.com Forums 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. https://www.cdnnsports.com/catalogsearch/result/?order=relevance&dir=desc&q=Sig+bolt+catch. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated PMAGs are pretty notorious for not wanting to work in various platforms, including guns like the HK-416 and M27-IAR. I picked up a SCAR 16s last week and put 50 rounds through it with no problems at all (using the FN mag). Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. 16s and pmag Gen 3 problems!! | FN Herstal Firearms If your upper and lower receivers are MIL-SPEC the ARMagLock will work.
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