None of the 3 15/30 i have worked. Ar10 bolt jamming up on PMag/mag release | Northwest Firearms *Must have a registered ARFCOM account to win. Morality is nothing more than expressions of people's personal taste/ Right? This solution will meet some states permanence requirements. I don't and I didn't . honest. This is not the case with PMAGs in many platforms. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit What's stopping your bolt catch travel, when you have that plunger and spring in there? How is it though that my. 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. Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? I just don't know why my friend has witness marks on his pmags after use in my Scar 16s. 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. I wish I could edit the original post to correct this. Fig. For a better experience, please enable JavaScript in your browser before proceeding. The main concern is the failure to feed. For a while you only had so long to make the edit and then never again. and might have several still in the packaging. i have thermolds, and usgi mags and the rest of them work perfectly.. Scan this QR code to download the app now. Problems with failure to feed AND failure to catch bolt It was initially 0.323 deep. You must log in or register to reply here. Why I Don't Use PMAGs Copyright 1996-2023 AR15.COM LLC. I deepened the hole to 0.480. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Its Alex C. with TFBTV. IMHO, I would get a USGI / high / known quality bolt catch and try one of those. 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. Fig. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. The bolt can still be removed by grinding but will no longer be usable. Can anyone offer insight to the cause of or solution to these problems? Does your caliper also have a depth gauge that can get the internal depth to the mag catch as in figure 10? The plunger and compressed spring are 0.490. Open the receivers to the maximum limit of the pin capabilities. 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. "And here remain with your uncertainty! I dont know what the limit is before you earn the edit privileges. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This is one of my pistols. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. JavaScript is disabled. TFB Review: Over 1,000 Rounds With The Springfield Hellion But with firearms, there really is seldom a one size fits all option for, well, anything. #5. https://www.cdnnsports.com/catalogsearch/result/?order=relevance&dir=desc&q=Sig+bolt+catch. The mag on the left is the metal 10 round mag, the two to the right are Pmags. 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. 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. Your enemies, with nodding of their plumes, fan you into despair! magpul pmag milspec bolt catch problem : r/ar15 10: Top of lower receiver to top of magazine catch = 0.696, Fig. I'm looking forward to hearing some comments on this. *Must have a registered ARFCOM account to win. It's brand new so it couldn't be anything crazy like the gas block. Pasted as rich text. 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 have a gen 3 pmag without the window and its kind of frustrating. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. If so, it might be worth trying another batch of pmags in case it's just a mold variation. The bolt passes over the cartridge instead of stripping it from the magazine. Iiiiffffff I owned one of those evil black rifles , I might buy the Hexmag brand when they went on sale for $6.95 ea. Excellent work with the pics and details. Then collapse that spring ON the plunger, to coil bind, and measure the OAL of both (with spring in coil bind). Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. Your link has been automatically embedded. Additionally, unsafe and unintended methods of operation of the FIREARM may also cause non-compliance. A new one can be sent upon request. 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. The mags cause the bolt catch to rise ever . Using PMAGs can actually do irreparable damage to an FN SCAR rifle. 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. :??? (not my lower, but my exact problem!) 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. The bolt catch problem can be solved by drilling the plunger hole deeper but Id first like to solve the feed problem. I just checked and my BM lower does the same. It was initially 0.323 deep. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. Hexmag for 260rem and pmag for 6.5creed. The bolt catch problem can be solved by drilling the plunger hole deeper but I'd first like to solve the feed problem. JavaScript is disabled. 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. 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. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. I can manually push the catch tab in to raise the catch higher. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! 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". Well, there are several reasons for this. Copyright © 308AR.com 2023 I read your post twice, I still don't see the malfunction. Check all your mags, especially PMAGS, but check all mags!! I'm sure someone here can find that thread on the mag catch heights. One new winner* is announced every week! 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. It did. 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. Operation of an AR-15 without the receivers / action fully closed may result in serious injuries or death. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Also the follower rides the bolt catch up A LOT. Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. The ones I used were my friends and I checked the bolt catch before I shot. 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. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Once bolt was locked to the rear or closed, it would engage the catch and seat properly on the "bad" mag. They are not as likely to happen with premium ammo yet the chance is still there. I'm pretty sure it's in the 80% Section. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated 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. Thanks for this HC, I'm going to inspect my Gen 3's to see if mine have the same witness marks. Today I had some last shot hold open issues while using 20 round P-mags. If you have an account, sign in now to post with your account. Privacy Policy. 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. Maybe it's raising it too much, but a locked bolt is a locked bolt. After installation of the ARMagLock the button is. Press the AR MAGLOCK magazine release button. 10: Top of lower receiver to top of magazine release = 0.696, Fig. We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. Mine seem to be fine after trimming of course. 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. Note the different rear opening. 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. 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. I thought about a low mag catch (the machining of it) very first, based on your info, but I wanted to know about that mag catch's internal parts first. View attachment 25288. My Pmag20 wont last round bolt hold open and fails to feed 10% of the 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. 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. 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. The P-mags always functioned. You cannot paste images directly. *, 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 Repeat for the P-mags and note any difference. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. I deepened the hole to 0.480. [ARCHIVED THREAD] - Another P-Mag bolt catch issue. Just did this, no difference. Mick 1 month later. 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. Crap! Problems I have run into in the past include, firstly, that they wont drop free in a lot of firearms. If you experience this issue, make sure your lower is within spec, and your bolt catch is installed correctly and not worn down. Not a back-breaking amount, mind you, but not insignificant. The problem is pretty simple, the magazine's follower is failing to raise the bolt catch. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. 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. Thanks for the reply. Upload or insert images from URL. 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. The Fix: 1.) Scan this QR code to download the app now. Depth of the hole? 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. Some people used a 9mm bolt catch, others shaved out the bolt catch area on the mag itself.
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