pmag bolt catch problem pmag bolt catch problem
Then collapse that spring ON the plunger, to coil bind, and measure the OAL of both (with spring in coil bind). If someone can answer that, I'd appreciate it. PSA PA-10 Magazines, quick question. | Sniper's Hide Forum Powered by Invision Community, Problems with failure to feed AND failure to catch bolt. Personally I wouldn't shoot it until you've got this issue corrected. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. 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). New production Colt-pattern U.S. GI mags are four to five dollars cheaper than generation three PMAGs. When someone mentions must-have magazines for the AR platform, many shooters immediately think of Pmag Vs Hexmag. Scan this QR code to download the app now. Note the different rear opening. 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. Loading magazines at home means more shooting time at the range. A forum community dedicated to FN Herstal firearm owners and enthusiasts. The follower I wouldn't think should have witness marks on it though. Special thanks to Ventura Munitions for helping us out with the cost of ammo, and a special thank you to you all for watching. 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. Pasted as rich text. No need to answer that last question. What corresponding dimensions do you have? .661 from top of receiver to top of mag catch inside magwell. Next up is damage to the SCAR. So, I marked it and I'm gonna keep running it through to see if it happens anymore. #5. Note here that this PMAG will not insert into this civilian version of the HK-416, due to the odd body geometry. PMAGs are pretty notorious for not wanting to work in various platforms, including guns like the HK-416 and M27-IAR. 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. The plunger and compressed spring are 0.490. I used a digital caliper depth gauge as shown in the picture. Its Alex C. with TFBTV. TSiWRX. PMAG Problems - Calguns.net 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. 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 . Maybe it's raising it too much, but a locked bolt is a locked bolt. Pmag VS Hexmag What the problem is: The lip on the un-fixed P-mag pushes the mag release/Bolt catch bar up just enough to catch the bolt group, but not enough to stop it. These same parts are available from other vendors. For a better experience, please enable JavaScript in your browser before proceeding. I suspect yours will be higher than mine. My Colt LE6920 bolt is not locking back when the last round is fired nor when I insert an empty magpul pmag magazine. Switch the Safety selector to 'Safe'. 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. How do I make the install permanent for use in states such as. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. This will severly damage your bolt group over time. 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. If the solution to the feed problem involves a modification to the upper or lower, I'll test the bolt catch and take another measurement as shown in figure 5. 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. I could not find it for a few days so I checked it. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt 'home'. My external measurement as shown in figure 11 is the top of lower receiver to top of magazine catch hole which is 0.692. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. the bolt catch tooth begins at the center of the follower then teeters towardthe edge until it drops off. 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? Suggestions? Magpul needs to tweak their mold a bit before they make the claims they do. JavaScript is disabled. 3: Magazine feed lips height = 0.446, Fig. I'll have to get measurements later. P-Mag Follower and Bolt Catch Engagement *Issue Resolved! As soon as my wife lifts our household arms embargo, I will have one. 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. Depth of the hole? Close the receivers back together and re-engage the rear takedown pin. After depletion of your 10 round magazine, you must hit the bolt catch release to bring the bolt home. The mags cause the bolt catch to rise ever so slightly and drag on the bolt lugs, which results in significant damage over time. Correction to original post: 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). Another P-Mag bolt catch issue? - AR15.COM I have both just to keep ammo separated. That should fix it. 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. 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. 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/]. Excellent work with the pics and details. 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. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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 don't and I didn't . honest. 6: Bolt catch fully extended = 0.359, Fig. Note: Firearm will not retain magazines until a replacement magazine catch solution is re-installed. 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. TFB Review: Over 1,000 Rounds With The Springfield Hellion I dont know what the limit is before you earn the edit privileges. Yes I had to trim the left side rear notch square before the BC laid perfectly flat. [ARCHIVED THREAD] - Another P-Mag bolt catch issue. (not my lower, but my exact problem!) Open the receivers to the maximum limit of the pin capabilities. My fix was with Gen2 pmags. 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. I like the idea that I can accomplish a speedy reload by pressing a button and kicking a magazine out. I ordered 10 mags from brownells after I saw they didn't ride the bolt up. You'll need to clay the upper, just like you'd do if you were checking an engine for piston-to-valve clearance. The problem is pretty simple, the magazine's follower is failing to raise the bolt catch. We have heard reports these malfunctions often happened with Wolf, Tula, and Brown Bear ammo. 10: Top of lower receiver to top of magazine release = 0.696, Fig. 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. Sounds like the pmag is riding a little high and rubbing the bottom of the carrier a bit. and our Not trying to be a dick, but can you summarize in one sentence what the rifle is NOT doing? JavaScript is disabled. Of course, this is just my opinion, based on my personal experiences, and your mileage may vary. The ones I used were my friends and I checked the bolt catch before I shot. One new winner* is announced every week! 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. The main concern is the failure to feed. JavaScript is disabled. PMAG "bolt catch interference" Issue with LMT MWS Take off your upper receiver, throw in that empty mag. I'll try and grab my camera. Some rifles are just finicky. Hope this helps. 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. Could i just have faulty mags? Its best to identify these two common issues with your rifle, before attempting to diagnose problems with your magazines. NEW PRICING: All products have been reduced 10%! Come join the discussion about optics, modifications, gunsmithing, styles, reviews, accessories, classifieds, and more! 11: Top of lower receiver to top of magazine release hole = 0.692. We STRONGLY encourage all users to always use the new PMAG magazine or some other 10 round magazine solution with a removable floor plate. 11: Top of lower receiver to top of magazine catch hole = 0.692. Problems I have run into in the past include, firstly, that they wont drop free in a lot of firearms. The Fix: 1.) AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Guide to modifying .308 Gen3 P-Mags to work in DPMS G2 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. Paste as plain text instead, 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! It may not display this or other websites correctly. Thanks for this HC, I'm going to inspect my Gen 3's to see if mine have the same witness marks. 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. Repeat for the P-mags and note any difference. UPDATE: After seeing these pictures, I checked my factory mag. Talyn said: Pmag VS Hexmag. 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*. Because of the cost difference, weight, compatibility issues, and not dropping free in many platforms, Ill stick with what I know works. Always use the firearm and AR MAGLOCK products as designed, engineered and intended for use. I was curious about how other magazines behaved in the lower so I measured them to simply verify reasonable consistency. If you have an account, sign in now to post with your account. 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!". 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. Why not just ditch the PMags? You are using an out of date browser. That said, there is a reason that there are generations of these magazines. The upper, lower, and jig are from Daytona Tactical d.b.a. 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. 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. It's a precaution against folks who like to cause trouble immediately after joining up. You must log in or register to reply here. Does your caliper also have a depth gauge that can get the internal depth to the mag catch as in figure 10? PMAG Problems Centerfire Rifles - Semiautomatic or Gas Operated I started construction with the lower at 80%. I just don't know why my friend has witness marks on his pmags after use in my Scar 16s. It was initially 0.323 deep. Just did this, no difference. : "Watch what people are cynical about, and one can often discover what they lack.". His mags didn't ride the bolt catch up so we tried them out. For a better experience, please enable JavaScript in your browser before proceeding. Can anyone offer insight to the cause of or solution to these problems? Once bolt was locked to the rear or closed, it would engage the catch and seat properly on the "bad" mag. Alex is a Senior Writer for The Firearm Blog and Director of TFBTV. They all functioned fine. For a while you only had so long to make the edit and then never again. It did. 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. check out the. Before that would be a solution - you need tocheck how much further into the upper receiver that your magazine will go. Definitely try another couple magazines, including one from another manufacturer. IMHO, I would get a USGI / high / known quality bolt catch and try one of those. The bolt catch rides up but not on the black polymer part of the mag, but the follower. This is not the case with PMAGs in many platforms. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. I read your post twice, I still don't see the malfunction. 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). Indeed, if could be too low, and we have a HELL of a thread here on that very issue. Again, kids running with scissors did this to us. They are reliable, well-constructed, and produced by a company that has a great reputation. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. It's brand new so it couldn't be anything crazy like the gas block. Elite Aluminum Products although I dont know who made them. Iiiiffffff I owned one of those evil black rifles , I might buy the Hexmag brand when they went on sale for $6.95 ea. 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. After installation of the ARMagLock the button is. Think it could be magazine springs? Why I Don't Use PMAGs 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. Pmags have worked fine in the past. 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). P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* For me it's almost all gen 2 P mags. Upload or insert images from URL. 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. 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. View attachment 25288. The Fora platform includes forum software by XenForo. 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 . This can cause partial engagement of the bolt catch and result in unintentional contact between the bolt carrier group and the bolt catch during normal weapon operation. But with firearms, there really is seldom a one size fits all option for, well, anything. Your enemies, with nodding of their plumes, fan you into despair! You are using an out of date browser. Copyright 1996-2023 AR15.COM LLC. Mar 3, 2022. Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. Measure the depth of the hole, first. If your upper and lower receivers are MIL-SPEC the ARMagLock will work. 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. What measurements do you have on your lower? All Rights Reserved. I wish I could edit the original post to correct this. Professional. 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. The bolt catch problem can be solved by drilling the plunger hole deeper but I'd first like to solve the feed problem. 8: Bolt Carrier to upper receiver = 0.283. 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. Morality is nothing more than expressions of people's personal taste/ Right? *Must have a registered ARFCOM account to win. 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. One new winner* is announced every week! My Pmag20 wont last round bolt hold open and fails to feed 10% of the Check all your mags, especially PMAGS, but check all mags!! Pmag Problem | Northeastshooters.com Forums There were no ammunition-related issues during the review. 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. You can post now and register later. 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. This is. Using PMAGs can actually do irreparable damage to an FN SCAR rifle. I dont have another LR-308 with which to compare my measurements so I dont know which dimensions are problematic. 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. 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". Mick 1 month later. Also, we'll be happy to correct or delete anything if you point it out to us in the meantime. 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. UPDATE: after tinkering with it, Ive noticed it only happens on 30 round mags. For me I had to shave off small pieces of the mag to make the bolt catch itself latch. Would anyone be willing to measure and report their heights from the top of the lower to the top of a cartridge case head? 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. PMAG feeding problem, jamming on chamber face How To Fix AR-15 Bolt Catch Lock Failure for PMAG's 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. Display as a link instead, :??? Mag still wobbles the same and the error still remains. Either the hole gets deeper, or a couple coils come off the spring, or the tail on the plunger gets shortened. PMag Not Locking Bolt Catch : ar15 The plunger and compressed spring are 0.490. At the moment just keep posting as usual, the edit feature will become available. Mine seem to be fine after trimming of course. I deepened the hole to 0.480. The mag on the left is the metal 10 round mag, the two to the right are Pmags. Fig. A new one can be sent upon request. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. Thanks for the reply. 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. The bolt can still be removed by grinding but will no longer be usable. 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. Again, though, I would like to recognize that PMAGs are a quality product and Magpul is very receptive to user feedback. Anyone else having problems with the 15/30. Problem: 30 round Pmag follower doesn't catch on the front lip of the bolt catch. If you use PMAGS with your SCAR, READ THIS! - AR15.COM I'm looking forward to hearing some comments on this. Any use of this content without express written consent is prohibited. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! I actually just noticed this issue on my Colt 6920 with Magpul M2 PMAGS. I deepened the hole to 0.480. Today I had some last shot hold open issues while using 20 round P-mags. None of the 3 15/30 i have worked. Thanks shooterrex. i have a gen 3 pmag without the window and its kind of frustrating. . 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. *, 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 Could use some advice, being this is a problem on MANY ARs, not just the M&P's. It may not display this or other websites correctly. If so, it would cause both symptoms. Also, since the follower rides too high the pmags I used made a dent in the follower from the bolt. The plunger hole on this 80% lower was supposed to have already been finished. We STRONGLY encourage all users to ONLY run premium ammunition through their firearm at all times. Ar10 bolt jamming up on PMag/mag release | Northwest Firearms Continue until the upper lip is flush with the upper receiver when closed. We have also seen similar malfunctions in a sandy environment using military spec ammo with a dirty, gummed up weapon. 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. The bolt partially strips a round but doesnt chamber it and just drags over the top of it.
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