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Teresa W. asked 6 years ago:
Product
Teresa, yes, it will accept a standard AR 30rd 300BLK Magazine no issue. https://www.budsgunshop.com/product_info.php/products_id/714017896/magpul+pmag+m3+300blk+30rd+blk
James G.
6 years ago
a 30 round 300 Blackout mag will fit just fine
Randy I.
6 years ago
