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1/22/2020 12:12:56 PM
Posted: 1/19/2015 9:15:23 PM EST
Using Aero lower in a 300blk pistol build.

Need to pick up a couple of magazines and have heard some mags work better when using that caliber.

Was looking at standard 30 rnd pmags unless there is something better for 300blk.

Thanks for any suggestions.

Link Posted: 1/19/2015 10:49:16 PM EST
Link Posted: 1/20/2015 9:56:29 AM EST
For the lightweight, supersonic rounds with typically shorter OAL, the mag doesn't seem to matter as far as I can tell. However, for the heavy subsonic rounds with a lot of ogive sticking out of the case mouth, the Lancer AWMs work better for me than standard GI mags, for example, because the forward internal rib of the Lancers is shallower and slightly farther forward. Consequently, the rounds don't pigeon-toe when they stack and seem to feed better.
Link Posted: 1/20/2015 12:00:15 PM EST
I use my 300 BLK for hunting and am thus frequently loading/unloading. I've noticed that the GI mags I have dig into and mark up the bullets, so I only use polymer.
Link Posted: 1/20/2015 3:34:26 PM EST
I use PMAG E mags
Link Posted: 1/20/2015 3:58:07 PM EST
I use pmags and Troy mags....
Link Posted: 1/20/2015 4:17:15 PM EST
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