This video from AT3 Tactical presents three muzzle device options for an audience-built AR-15 project chambered in 7.5-inch 300 Blackout. Viewers are asked to vote on whether to use a budget-friendly A2 muzzle device, a 'Brick Break' with a blast shield, or a Griffin Armament Optimus suppressor with a taper mount. The project aims to involve the audience in the build process.
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