UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. 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. Mag still wobbles the same and the error still remains. I can manually push the bolt catch tab in to raise the catch higher. We have heard reports these malfunctions often happened with Wolf, Tula, and Brown Bear ammo. These two pics right here, and the height difference. .661 from top of receiver to top of mag catch inside magwell. The issue is with bolt lock back. The bolt can still be removed by grinding but will no longer be usable. 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 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! Please refer to our installation videos and the instructions on your packaging. 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. 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*. 11: Top of lower receiver to top of magazine catch hole = 0.692. Repeat for the P-mags and note any difference. 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? It was initially 0.323 deep. After installation of the ARMagLock the button is. So, I marked it and I'm gonna keep running it through to see if it happens anymore. I suspect yours will be higher than mine. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. 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. Hope this helps. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Mine seem to be fine after trimming of course. 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 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. 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. By If you have an account, sign in now to post with your account. I deepened the hole to 0.480. But with firearms, there really is seldom a one size fits all option for, well, anything. The ones I used were my friends and I checked the bolt catch before I shot. Copyright 1996-2023 AR15.COM LLC. You cannot paste images directly. 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". Fig. It was initially 0.323 deep. Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Come join the discussion about optics, modifications, gunsmithing, styles, reviews, accessories, classifieds, and more! I used a digital caliper depth gauge as shown in the picture. 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. If you could post a pic of that comparison, it would be helpful. 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. I recently assembled this Noveske rifle and bought 3. Problems with failure to feed AND failure to catch bolt The bolt catch problem can be solved by drilling the plunger hole deeper but I'd first like to solve the feed problem. magpul pmag milspec bolt catch problem : r/ar15 This is. It's not the bolt catch, itself, obviously. and might have several still in the packaging. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! 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). 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. Maybe it's raising it too much, but a locked bolt is a locked bolt. The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. 3: Magazine feed lips height = 0.446, Fig. I wish I could edit the original post to correct this. IMHO, I would get a USGI / high / known quality bolt catch and try one of those. Let every feeble rumor shake your hearts! 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 edit feature will become available to you with just a few more posts on the forum. 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. It may not display this or other websites correctly. Either the hole gets deeper, or a couple coils come off the spring, or the tail on the plunger gets shortened. Your previous content has been restored. 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. I dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. I read through the threads dealing with this issue. A new one can be sent upon request. I read your post twice, I still don't see the malfunction. 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. They are reliable, well-constructed, and produced by a company that has a great reputation. 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. 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. The plunger and compressed spring are 0.490. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. What's stopping your bolt catch travel, when you have that plunger and spring in there? Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! 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". At the moment just keep posting as usual, the edit feature will become available. Also, since the follower rides too high the pmags I used made a dent in the follower from the bolt. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit Depth of the hole? 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. We are all guilty of doing this, in one way or another. 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. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. JavaScript is disabled. Clear editor. This will severly damage your bolt group over time. 8: Bolt Carrier to upper receiver = 0.283. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 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. I dont know what the limit is before you earn the edit privileges. Excellent work with the pics and details. 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. Magpul PMag issues I was curious about how other magazines behaved in the lower so I measured them to simply verify reasonable consistency. Talyn said: Pmag VS Hexmag. Scan this QR code to download the app now. For a better experience, please enable JavaScript in your browser before proceeding. 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 have a DPMS pattern LR-308 under construction that has a failure to feed and fails to catch the bolt on an empty magazine. and our 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. I like the idea that I can accomplish a speedy reload by pressing a button and kicking a magazine out. If your upper and lower receivers are MIL-SPEC the ARMagLock will work. The plunger hole on this 80% lower was supposed to have already been finished. We have also seen similar malfunctions in a sandy environment using military spec ammo with a dirty, gummed up weapon. The mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. Some rifles are just finicky. Personally I wouldn't shoot it until you've got this issue corrected. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2
Advanced Permanent Cosmetic Academy,
Howard Lutnick Bridgehampton House,
Klondike The Lost Expedition Rocky Coast Map,
Articles P
