223/300 AAC Blackout Universal Adapter

Note: Our universal adapter will allow smaller caliber rounds to be loaded into a magazine therefore it may hold more than 10 rounds.  Purchaser must take full responsibility for use of all products purchased from Big Bore Mag, and understand your own local and state laws regarding use.

“Big Bore Mag does not condone nor hold responsibility for improper/illegal use of this product or any products we sell.”