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. Talyn said: Pmag VS Hexmag. Seamac, did you have to modify the black polymer on the mag? If so, it might be worth trying another batch of pmags in case it's just a mold variation. Some rifles are just finicky. Gonna remove the anodizing, but making omelets requires the breaking of eggs; so. They are reliable, well-constructed, and produced by a company that has a great reputation. Excellent work with the pics and details. 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. So, I marked it and I'm gonna keep running it through to see if it happens anymore. 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 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 main concern is the failure to feed. I recently assembled this Noveske rifle and bought 3. How do I make the install permanent for use in states such as. 8: Bolt Carrier to upper receiver = 0.283. 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). 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. That should fix it. 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. Because of the cost difference, weight, compatibility issues, and not dropping free in many platforms, Ill stick with what I know works. 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. PSA PA-10 Magazines, quick question. | Sniper's Hide Forum What measurements do you have on your lower? :??? Measure the depth of the hole, first. 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. Just checked all of mine, I'm not sure how HC's ended up with a witness mark where it's at. 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. The witness make could be from the locking lugs on the bolt, mine don't have it so I can't say for sure. Also, since the follower rides too high the pmags I used made a dent in the follower from the bolt. 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. The P-mags always functioned. What's stopping your bolt catch travel, when you have that plunger and spring in there? Mick 1 month later. /r/ar15 is here for your favorite black gun links, build pics, questions and other tactical or practical information. Really appreciate your thorough pictures provided, that's an excellent way to provide data on your issues. Pics to follow. This is one of my pistols. 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". JavaScript is disabled. PMag Not Locking Bolt Catch : ar15 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". 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. This is not the case with PMAGs in many platforms. I deepened the hole to 0.480. 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. and might have several still in the packaging. 11: Top of lower receiver to top of magazine release hole = 0.692. 4: Clearance to bolt catch is adequate when bolt is fully retracted, Fig. I just don't know why my friend has witness marks on his pmags after use in my Scar 16s. What changed? It was initially 0.323 deep. 10: Top of lower receiver to top of magazine release = 0.696, Fig. 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. 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. Press the AR MAGLOCK magazine release button. 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. JWardJune 15, 2020 in Building a .308AR. P-Mag Follower and Bolt Catch Engagement *Issue Resolved!* 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. I'm sure someone here can find that thread on the mag catch heights. One new winner* is announced every week! Definitely try another couple magazines, including one from another manufacturer. Fix: Empty Pmag gen 3 doesn't catch/lock bolt - YouTube

Swindon Business Directory, Bolivar, Ny Police Reports, Articles P