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#6508566 - 10/24/16 08:27 AM 300BLK Magazines
Creedmoor Offline
Pro Tracker

Registered: 09/12/16
Posts: 1086
I'm in the process of building a 300BLK and was wondering about the magazines and any problems I may encounter. I have a good supply of MagPul PMAGs on hand (the polymer ones). From what I can gather these will be fine.

Anyone have any insight or suggestions?
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#6508583 - 10/24/16 08:36 AM Re: 300BLK Magazines [Re: Creedmoor]
Tim9880 Online   content
Bird Dog

Registered: 04/08/12
Posts: 466
I havent had any issues with any regular mags. I havent shot any of the super heavy grain cast bullets that seem to cause issues though. You should be ok.

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#6508608 - 10/24/16 08:49 AM Re: 300BLK Magazines [Re: Creedmoor]
ChadTRG42 Online   happy
THF Trophy Hunter

Registered: 09/16/09
Posts: 9959
Loc: Lewisville, TX
Any 223/5.56 AR-15 mags that worked before will work fine for blk out. It's the same parent case.
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#6509463 - 10/24/16 03:55 PM Re: 300BLK Magazines [Re: Creedmoor]
MDMORROW Offline
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Registered: 01/10/11
Posts: 2667
Loc: McKinney & Pottsboro, TX
regular pmags for me
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#6509520 - 10/24/16 04:30 PM Re: 300BLK Magazines [Re: Creedmoor]
Creedmoor Offline
Pro Tracker

Registered: 09/12/16
Posts: 1086
Thanks guys. up
_________________________
.
There's a fine line between BRAVE ... and STUPID.

The two most important days in your life are the day you are born and the day you find out why.

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