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Thread: Current choice among 20 round magazines?

  1. #31
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    Quote Originally Posted by G19A3 View Post
    I cannot recommend the Lancer 20 round AWM.

    I love 20 round mags for their compactness. I love Glocks with plastic frames. I LOVE the idea of translucent mag bodies to monitor rounds left. The Lancer AWM is a plastic, translucent 20 rounder. What’s not to like? I ordered two of them from Brownells to try out.

    Because of a bad experience with a couple of similarly designed Ramline 30 round translucent mags, where the mags would water fountain 2 or 3 or more rounds, out of the top of the mag when slapping into the magwell. I was a bit cautious but hopeful 25 or so years have improved translucent AR mag design.

    I fully loaded both mags to 20. I “settled the rounds in the mag” in the usual way and sure enough, 1 or 2 rounds would water fountain out of the top of both mags. The AWM’s have wrap around metal feed lips, so I didn’t think that would happen. I “slapped” the mags into several Colt AR’s with bolt carrier locked back, figuring the mag well would “reinforce” the wrap around feed lips to reduce the water fountain effect. Nope….one or two rounds would pop out into the open AR action. I repeated the test numerous times with the same result. YMMV.

    I suppose 1 or 2 pop outs per slap are better than 2 or 3 pop outs a generation ago. I suppose they would be great mags if they were loaded gently and NEVER slapped into an bolt-locked-back AR. Without shooting them, I returned the mags to Brownells with a comment on the return receipt. I don’t need to see if they are shooting reliable as I already have reliable USGI mags. I REALLY wanted the translucence feature. I repeated the same test with 20-round and 30-round USGI mags with the same slapping force, if not WAAAY harder, and no rounds popped out.

    Furthermore, the 20 round AWM’s are significantly longer than 20 round straight mags. Nevermind the significantly thicker baseplate area verses straight mags. I took photos of this size difference as a reminder.

    I believe the dimensional restrictions of the AR mag well prohibits the thickness required to allow a reliable clear plastic mag. (AUGs use MUCH thicker translucent plastic in their mags.) With present technology, clear plastics is < colored plastics < black plastics is the rule. I believe even Magpul recommends their black mags are stronger than their “other colors” mags.

    I don't know about your intended 300 Blackout use. YMMV. Good luck, but test those mags if you intend any serious use.
    Short answer is yes, I believe you are correct.

    But the 20 round PMAGs are not very reputable, anyway. The 30 rounders are GTG. For 20s...not so much.

  2. #32
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    There is no reason to deviate from straight body OEM 20 round aluminum magazines.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  3. #33
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    Still using " horsey " marked, 20 rounders from early eighty's...original springs and followers...no issues,gtg...! I have p-mag 20's...they do not make me warm and fuzzy...I have on occasion,had double feeds...
    If your intent is to do battle with reality...you should be working on your extraction drills...!

  4. #34
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    The Colts are great. Old school USGI 20 rounders made by different manufacturers are also fine I think.

  5. #35
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    I prefer the pre-bans.....cuz I had to. I spent some significant $$ buying old Colts. I managed to get some NIP, which are still in the plastic and paper. All of them have been flawless. As for their future, I decline to comment.

  6. #36
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    Quote Originally Posted by scottryan View Post
    There is no reason to deviate from straight body OEM 20 round aluminum magazines.
    Sure there is... progress involves change. You'll never know if you don't try.

    Even if there isn't a good 20 out there now (which I don't believe), we'd all be shooting skinny barrels and triangular handguards if everyone had that attitude.

  7. #37
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    Quote Originally Posted by eodinert View Post
    Sure there is... progress involves change. You'll never know if you don't try.

    Even if there isn't a good 20 out there now (which I don't believe), we'd all be shooting skinny barrels and triangular handguards if everyone had that attitude.
    Hahaha.

    We're slowly but surely gettin' back to it.

  8. #38
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    Never used anything but Pmags. Never had an issue so why change. I use different colors and windowed/ non-windowed to differentiate.

    You could also just write 300BLK on a few mags so you know, cheapest route if you already have a bunch of mags.

  9. #39
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    Magpul for me, 20s or 30s.

  10. #40
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    Quote Originally Posted by Fairweather8588 View Post
    NHMTG 20 rounders have been flawless for me
    I like mine too and also have some 20rd PMAGs that work great.

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