pmag bolt catch problem

Operation of an AR-15 without the receivers / action fully closed may result in serious injuries or death. 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. Reddit and its partners use cookies and similar technologies to provide you with a better experience. PMAGs are pretty notorious for not wanting to work in various platforms, including guns like the HK-416 and M27-IAR. 3: Magazine feed lips height = 0.446, Fig. It was initially 0.323 deep. Any use of this content without express written consent is prohibited. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. It's brand new so it couldn't be anything crazy like the gas block. Why not just ditch the PMags? 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 . The bolt passes over the cartridge instead of stripping it from the magazine. JavaScript is disabled. Mag still wobbles the same and the error still remains. PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated 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. Maybe after Magpul completes their move they'll address some of their mold issues, 'til then it's best to check. But with firearms, there really is seldom a one size fits all option for, well, anything. 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. They are reliable, well-constructed, and produced by a company that has a great reputation. 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. PMAG bolt lockback fix | Springfield XD Forum We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. PMAG problems - Midwest PX - New Jersey Gun Forums It's a precaution against folks who like to cause trouble immediately after joining up. Any use of this content without express written consent is prohibited. Your enemies, with nodding of their plumes, fan you into despair! Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The plunger and compressed spring are 0.490. 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. Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. 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". These two pics right here, and the height difference. Paste as plain text instead, 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. Definitely try another couple magazines, including one from another manufacturer. The table shows the measurements of several magazines and the left or right cartridge. I too have seen issues with PMag followers. PMag Not Locking Bolt Catch : ar15 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. I dont readily know of a solution to the feed problem but I dont want to alter magazines to compensate for a receiver flaw. 8: Bolt Carrier to upper receiver = 0.283. 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. 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. I don't know if this is an indication of another problem being that the bolt catch is too far left. To my knowledge, no PMAGs will work in the FS-2000 to this day without modification. Depending on the rear takedown pin you are using either pull the pin (Tacticool pin) or actuate the pin to disengage the receivers (KingPin & Hyperswitch). Does your caliper also have a depth gauge that can get the internal depth to the mag catch as in figure 10? Some people used a 9mm bolt catch, others shaved out the bolt catch area on the mag itself. 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. Depth of the hole? Always use the firearm and AR MAGLOCK products as designed, engineered and intended for use. 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. For a while you only had so long to make the edit and then never again. My Pmag20 wont last round bolt hold open and fails to feed 10% of the 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. Pmag VS Hexmag Mine seem to be fine after trimming of course. We are all guilty of doing this, in one way or another. Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. The bolt can still be removed by grinding but will no longer be usable. It was initially 0.323 deep. There were no ammunition-related issues during the review. The main concern is the failure to feed. I used a digital caliper depth gauge as shown in the picture. You are using an out of date browser. https://www.cdnnsports.com/catalogsearch/result/?order=relevance&dir=desc&q=Sig+bolt+catch. Mar 3, 2022. I thought it was a nonissue with the gen 3. Hope this helps. You cannot paste images directly. Replace the empty magazine with a new 10 round magazine and let it click into place. The plunger and compressed spring are 0.490. Getting the Magpul PMAG to work with regular bolt catch Upload or insert images from URL. 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. 11: Top of lower receiver to top of magazine catch hole = 0.692. JavaScript is disabled. Not a back-breaking amount, mind you, but not insignificant. I will lock back, but requires a strong pull, instead of the gentle slide fully to the rear with aluminum or steel. Another P-Mag bolt catch issue? - AR15.COM Scan this QR code to download the app now. 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. 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 . 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. My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. Problems I have run into in the past include, firstly, that they wont drop free in a lot of firearms. I could not find it for a few days so I checked it. It's a whole lot of details. Pics to follow. View attachment 25288. TSiWRX. Note the different rear opening. That should fix it. Again, kids running with scissors did this to us. This is one of my pistols. All Rights Reserved. I can manually push the catch tab in to raise the catch higher. So, I marked it and I'm gonna keep running it through to see if it happens anymore. I just checked and my BM lower does the same. I'm pretty sure it's in the 80% Section. I can manually push the bolt catch tab in to raise the catch higher. The BC looks the same so this is a non issue. After installation of the ARMagLock the button is. The max difference is 0.030".The real problem is where the mag catch hole is in the lower. Could use some advice, being this is a problem on MANY ARs, not just the M&P's. Like CPT stated, it's supposed to raise it some and technically it can only go so far before the BCR bottoms out. and might have several still in the packaging. 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 edit feature will become available to you with just a few more posts on the forum. Take off your upper receiver, throw in that empty mag. 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. Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. One new winner* is announced every week! All Rights Reserved. You must log in or register to reply here. 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. Let every feeble rumor shake your hearts! magpul pmag milspec bolt catch problem : r/ar15 First and foremost, I will readily acknowledge that PMAGs are a great magazine. The bolt catch problem can be solved by drilling the plunger hole deeper but Id first like to solve the feed problem. Similar occurences? They are not as likely to happen with premium ammo yet the chance is still there. 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. Why I Don't Use PMAGs Switch the Safety selector to 'Safe'. Alex is a Senior Writer for The Firearm Blog and Director of TFBTV. Close the receivers back together and re-engage the rear takedown pin. 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. 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. Suggestions? Its Alex C. with TFBTV. I read your post twice, I still don't see the malfunction. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. Before that would be a solution - you need tocheck how much further into the upper receiver that your magazine will go. Coil bind on the spring? AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. It's not the bolt catch, itself, obviously. TFB Review: Over 1,000 Rounds With The Springfield Hellion 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/]. 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. My fix was with Gen2 pmags. Also the follower rides the bolt catch up A LOT. It knows when youre cheating..like Santa. The mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. It did. 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. Fix: Empty Pmag gen 3 doesn't catch/lock bolt - YouTube Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? A: Some states require the compliance solution be made permanent. It was initially 0.323 deep. 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. 1.4k How do I make the install permanent for use in states such as. i have thermolds, and usgi mags and the rest of them work perfectly.. Scan this QR code to download the app now. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 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. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. Mick 1 month later. Is it the length of the plunger? 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. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. If you could post a pic of that comparison, it would be helpful. If your upper and lower receivers are MIL-SPEC the ARMagLock will work. Talyn said: Pmag VS Hexmag. If someone can answer that, I'd appreciate it. 11: Top of lower receiver to top of magazine release hole = 0.692. Professional. Elite Aluminum Products although I dont know who made them. I dont know what the limit is before you earn the edit privileges. edit: i just got them. Pmags have worked fine in the past. UPDATE: After seeing these pictures, I checked my factory mag. Here's a photo showing the mags. None of the 3 15/30 i have worked. That should tell you what's going on. AR10 bolt catch issues : r/AR10 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. 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. Anyone else having problems with the 15/30. 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. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 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. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. If you use PMAGS with your SCAR, READ THIS! - AR15.COM I deepened the hole to 0.480.

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