Precisionoutdoors

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449 S 12th St. Tampa, Florida 33602, United States Florida 33602 United States

14-Apr-2021

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300 blk upper The 300 Blackout is a rifle cartridge designed for AR-15s that's significantly more powerful than 5.56 when fired through a brief barrel or when using subsonic ammo. it is also designed to figure seamlessly with the AR-15 when used with a 300 Blackout upper.