As soon as my wife lifts our household arms embargo, I will have one. The plunger and compressed spring are 0.490. Personally I wouldn't shoot it until you've got this issue corrected. . The ones I used were my friends and I checked the bolt catch before I shot. I thought it was a nonissue with the gen 3. I started construction with the lower at 80%. Morality is nothing more than expressions of people's personal taste/ Right? 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!". What corresponding dimensions do you have? Your previous content has been restored. 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. After installation of the ARMagLock the button is. That should tell you what's going on. 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 . PMag Not Locking Bolt Catch : ar15 I deepened the hole to 0.480. Has anyone seen this? That should fix it. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Always use the firearm and AR MAGLOCK products as designed, engineered and intended for use. One new winner* is announced every week! This is not the case with PMAGs in many platforms. JavaScript is disabled. Pics to follow. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. 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). You can post now and register later. 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. Anyone else having problems with the 15/30. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. check out the. I dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. PMAG "bolt catch interference" Issue with LMT MWS Does your caliper also have a depth gauge that can get the internal depth to the mag catch as in figure 10? This is not the case with PMAGs in many platforms. The follower I wouldn't think should have witness marks on it though. "And here remain with your uncertainty! 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? 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. No need to answer that last question. You must log in or register to reply here. 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 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. Bolt Catch issues w/ Pmags + few questions - AR15.COM 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. 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 table shows the measurements of several magazines and the left or right cartridge. We have also seen similar malfunctions in a sandy environment using military spec ammo with a dirty, gummed up weapon. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. For a better experience, please enable JavaScript in your browser before proceeding. Checking mine now! and our 16s and pmag Gen 3 problems!! | FN Herstal Firearms 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. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! magpul pmag milspec bolt catch problem : r/ar15 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. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. Re: Magpul PMag issues. Excellent work with the pics and details. This is one of my pistols. Hey, everyone. Additionally, unsafe and unintended methods of operation of the FIREARM may also cause non-compliance. 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. Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. Yes I had to trim the left side rear notch square before the BC laid perfectly flat. Your link has been automatically embedded. (not my lower, but my exact problem!) 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. Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. I suspect yours will be higher than mine. The bolt catch problem can be solved by drilling the plunger hole deeper but I'd first like to solve the feed problem. 10: Top of lower receiver to top of magazine catch = 0.696, Fig. It's a whole lot of details. Scan this QR code to download the app now. Repeat for the P-mags and note any difference. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. Please refer to our installation videos and the instructions on your packaging. 1.4k Next up is damage to the SCAR. Problems with failure to feed AND failure to catch bolt A: Some states require the compliance solution be made permanent. 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. What's stopping your bolt catch travel, when you have that plunger and spring in there? Mick 1 month later. I'm pretty sure it's in the 80% Section. 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). If you have an account, sign in now to post with your account. But with firearms, there really is seldom a one size fits all option for, well, anything. :??? The Fix: 1.) UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. 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. Mag still wobbles the same and the error still remains. My Pmag20 wont last round bolt hold open and fails to feed 10% of the Note the different rear opening. 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. It knows when youre cheating..like Santa. I think I may just shoot it a few mags and see what happens.. Of course, this is just my opinion, based on my personal experiences, and your mileage may vary. PMAG Problems - Calguns.net If you could post a pic of that comparison, it would be helpful. 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). Similar occurences? Copyright © 308AR.com 2023 I have both just to keep ammo separated. Talyn said: Pmag VS Hexmag. 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. i have thermolds, and usgi mags and the rest of them work perfectly.. Scan this QR code to download the app now. How To Fix AR-15 Bolt Catch Lock Failure for PMAG's JavaScript is disabled. I'm sure someone here can find that thread on the mag catch heights. Problem: 30 round Pmag follower doesn't catch on the front lip of the bolt catch. I ordered 10 mags from brownells after I saw they didn't ride the bolt up. Why I Don't Use PMAGs Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. It was initially 0.323 deep. So far so good. Fig. Loading magazines at home means more shooting time at the range. 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 upper, lower, and jig are from Daytona Tactical d.b.a. Think it could be magazine springs? For a better experience, please enable JavaScript in your browser before proceeding. Pmags have worked fine in the past. Mar 3, 2022. They all functioned fine. Magpul Pmag Bolt Hold Open Problem - YouTube 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. 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. This solution will meet some states permanence requirements. Reddit and its partners use cookies and similar technologies to provide you with a better experience. 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. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 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. Its best to identify these two common issues with your rifle, before attempting to diagnose problems with your magazines. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* Open the receivers to the maximum limit of the pin capabilities. 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/]. By 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. For more information, please see our I'm looking forward to hearing some comments on this. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada.