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300blk specific magazine Magpul or Lancer?

581 Views 5 Replies 4 Participants Last post by  etr654
Of the 2 options specifically designed for 300blk, which mag is better for the xcr? Lancer or Magpul?
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My Magpuls work flawlessly. On a fully loaded mag, and closed bolt you do have to smack it in though. Open bolt no issue.

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I have both. And both work.

I usually use the regular ones though as I have more of them.

The 300blk specific ones are designed to work better with the larger subsonic stuff. But normal 220 lead core subs work fine in regular mags.

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