Copyright © 308AR.com 2023 7: Bolt catch fully extended, plunger removed = 0.443, Fig. The plunger hole on this 80% lower was supposed to have already been finished. 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. 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. Hey, everyone. They are not as likely to happen with premium ammo yet the chance is still there. It did. Ar10 bolt jamming up on PMag/mag release | Northwest Firearms Pasted as rich text. 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. Mine seem to be fine after trimming of course. Not trying to be a dick, but can you summarize in one sentence what the rifle is NOT doing? [ARCHIVED THREAD] - Another P-Mag bolt catch issue. 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. Has anyone seen this? Magpul needs to tweak their mold a bit before they make the claims they do. 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. .661 from top of receiver to top of mag catch inside magwell. 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. Privacy Policy. Replace the empty magazine with a new 10 round magazine and let it click into place. By Pmag Problem | Northeastshooters.com Forums It was initially 0.323 deep. 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. Fig. 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". Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. and our I'd delete it if I could. I have both just to keep ammo separated. Could use some advice, being this is a problem on MANY ARs, not just the M&P's. How can I make my rifle more reliable with PMags? 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). Additionally, unsafe and unintended methods of operation of the FIREARM may also cause non-compliance. This is one of my pistols. Not a back-breaking amount, mind you, but not insignificant. So far so good. 11: Top of lower receiver to top of magazine release hole = 0.692. 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. I recently bought 3 for my acr and when comparing it to the other mags i have for it, it seems the internal part does not come up high enough to lift the bolt catch. I actually just noticed this issue on my Colt 6920 with Magpul M2 PMAGS. 1.4k NEW PRICING: All products have been reduced 10%! Some rifles are just finicky. Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. Either the hole gets deeper, or a couple coils come off the spring, or the tail on the plunger gets shortened. Pmags have worked fine in the past. *, 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 My solution is to raise the bottom rear edge of the mag well by approximately 1mm to 1.5mm. 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? By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Professional. Why not just ditch the PMags? It may not display this or other websites correctly. Cookie Notice Mar 3, 2022. "And here remain with your uncertainty! 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. Mag still wobbles the same and the error still remains. 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. A forum community dedicated to FN Herstal firearm owners and enthusiasts. Fig. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The ones I used were my friends and I checked the bolt catch before I shot. Re: Magpul PMag issues. Always use the firearm and AR MAGLOCK products as designed, engineered and intended for use. It's brand new so it couldn't be anything crazy like the gas block. 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 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. Another P-Mag bolt catch issue? - AR15.COM 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. The plunger and compressed spring are 0.490. You cannot paste images directly. The edit feature will become available to you with just a few more posts on the forum. Similar occurences? 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! The mags cause the bolt catch to rise ever . Could i just have faulty mags? If you use PMAGS with your SCAR, READ THIS! - AR15.COM PMAG bolt lockback fix | Springfield XD Forum I'll have to get measurements later. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Try manually locking it back a dozen or so times then checking for any wear streaks on the top of the magazine feed lips. TSiWRX. Scan this QR code to download the app now. Maybe it's raising it too much, but a locked bolt is a locked bolt. The max difference is 0.030".The real problem is where the mag catch hole is in the lower. I used a digital caliper depth gauge as shown in the picture. PMag Not Locking Bolt Catch : ar15 6: Bolt catch fully extended = 0.359, Fig. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. [ARCHIVED THREAD] - Bolt Catch issues w/ Pmags + few questions, https://www.triggershims.com/ar_15_shims.html. What changed? Also don't buy anything from Beavercreek Armory in Hillsboro, Oregon as they screwed me over with this poorly built, out of spec rifle. 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. Any use of this content without express written consent is prohibited. Checking mine now! Excellent work with the pics and details. These two pics right here, and the height difference. the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. 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. 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. It's a precaution against folks who like to cause trouble immediately after joining up. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. 11: Top of lower receiver to top of magazine catch hole = 0.692. If so, it would cause both symptoms. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. 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. So, I marked it and I'm gonna keep running it through to see if it happens anymore. and might have several still in the packaging. Anyone else having problems with the 15/30. Pmag VS Hexmag 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. My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. Take off your upper receiver, throw in that empty mag. It may not display this or other websites correctly. P-Mag Follower and Bolt Catch Engagement *Issue Resolved! I deepened the hole to 0.480. Operation of an AR-15 without the receivers / action fully closed may result in serious injuries or death. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* 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. The mag on the left is the metal 10 round mag, the two to the right are Pmags. For more information, please see our 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. 16s and pmag Gen 3 problems!! | FN Herstal Firearms What corresponding dimensions do you have? From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. 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). For a better experience, please enable JavaScript in your browser before proceeding. For a better experience, please enable JavaScript in your browser before proceeding. 8: Bolt Carrier to upper receiver = 0.283. 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 . This solution will meet some states permanence requirements. But with firearms, there really is seldom a one size fits all option for, well, anything. That said, there is a reason that there are generations of these magazines. I sanded the top rib along the back wall of the mag near the feed and the feed itself and problem seems to have resolved. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Seen here is a few examples of when a PMAG has to be manually removed: a problem that isn't present most of the time with plain old aluminum magazines. PMAG "bolt catch interference" Issue with LMT MWS /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. After installation of the ARMagLock the button is. JWardJune 15, 2020 in Building a .308AR. I suspect yours will be higher than mine. *Must have a registered ARFCOM account to win. UPDATE: After seeing these pictures, I checked my factory mag. 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. 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. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. I'm sure someone here can find that thread on the mag catch heights. You can post now and register later. 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). Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. I dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. 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. I could not find it for a few days so I checked it. This is not the case with PMAGs in many platforms. I can manually push the bolt catch tab in to raise the catch higher. Its Alex C. with TFBTV. PMAGs are pretty notorious for not wanting to work in various platforms, including guns like the HK-416 and M27-IAR. I dont know what the limit is before you earn the edit privileges. 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. You are using an out of date browser. I ordered 10 mags from brownells after I saw they didn't ride the bolt up. Problems I have run into in the past include, firstly, that they wont drop free in a lot of firearms. We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. 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 plunger and compressed spring are 0.490. These same parts are available from other vendors. Press the AR MAGLOCK magazine release button. 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. The issue is with bolt lock back. How is it though that my. Maybe after Magpul completes their move they'll address some of their mold issues, 'til then it's best to check. Try tightening the mag catch an extra turn. For a better experience, please enable JavaScript in your browser before proceeding. Once bolt was locked to the rear or closed, it would engage the catch and seat properly on the "bad" mag. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. The table shows the measurements of several magazines and the left or right cartridge. Iiiiffffff I owned one of those evil black rifles , I might buy the Hexmag brand when they went on sale for $6.95 ea. 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. *Must have a registered ARFCOM account to win. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. How do I make the install permanent for use in states such as. I think I may just shoot it a few mags and see what happens.. This is not the case with PMAGs in many platforms. Think it could be magazine springs? At the moment just keep posting as usual, the edit feature will become available. JavaScript is disabled. What measurements do you have on your lower? PMAG problems - Midwest PX - New Jersey Gun Forums 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. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. None of the 3 15/30 i have worked. Copyright 1996-2023 AR15.COM LLC. Powered by Invision Community, Problems with failure to feed AND failure to catch bolt. I can manually push the catch tab in to raise the catch higher. 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. Also, since the follower rides too high the pmags I used made a dent in the follower from the bolt. Open the receivers to the maximum limit of the pin capabilities. I thought it was a nonissue with the gen 3. 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 a DPMS pattern LR-308 under construction that has a failure to feed and fails to catch the bolt on an empty magazine. Well, there are several reasons for this. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Elite Aluminum Products although I dont know who made them. If you could post a pic of that comparison, it would be helpful. Suggestions? From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. They all functioned fine. (not my lower, but my exact problem!) What's stopping your bolt catch travel, when you have that plunger and spring in there? I deepened the hole to 0.480. Can anyone offer insight to the cause of or solution to these problems? Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. check out the. A: Some states require the compliance solution be made permanent. Indeed, if could be too low, and we have a HELL of a thread here on that very issue. 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. Fix: Empty Pmag gen 3 doesn't catch/lock bolt - YouTube For me it's almost all gen 2 P mags. It's not the bolt catch, itself, obviously. It was initially 0.323 deep. All Rights Reserved. The mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. JavaScript is disabled. For a while you only had so long to make the edit and then never again. If you have an account, sign in now to post with your account. : "Watch what people are cynical about, and one can often discover what they lack.". Bolt Catch issues w/ Pmags + few questions - AR15.COM I started construction with the lower at 80%. Copyright 1996-2023 AR15.COM LLC. 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. My fix was with Gen2 pmags. I'm pretty sure it's in the 80% Section. Next up is damage to the SCAR. Problems with failure to feed AND failure to catch bolt If you have something major to change a quick PM to a mod will get it fixed for ya. I'll try and grab my camera. One new winner* is announced every week! The gun will feed rounds from the PMAGs no problem. Hope this helps. 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/]. JavaScript is disabled. Support - AR MAGLOCK - Fixed Magazine Lock & Release Kit TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! Come join the discussion about optics, modifications, gunsmithing, styles, reviews, accessories, classifieds, and more! 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 problem is pretty simple, the magazine's follower is failing to raise the bolt catch. 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. Clear editor. If someone can answer that, I'd appreciate it. . The plunger and compressed spring are 0.490. 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 included a pic of the mag fully inserted, then a mag with the follower pushed down to the point of where the bolt catch stays flat. Here's a photo showing the mags. Very carefully and pay attention to how the bolt catch actually works, if you did you should figured it out almost immediately.