A flash hider is a muzzle device that disperses burning gases to reduce visible muzzle flash, preserving night vision and minimizing shooter signature. It threads onto the barrel—common pitches: 1/2×28 (5.56/.223) and 5/8×24 (.30 cal). Works with AR-15/AR-10 upper receivers, threaded barrels, crush/peel washers or shims, and compatible hand guards (ensure clearance). Pairs with standard BCGs, gas systems, and sights/optics. Popular for tactical, hunting, and duty rifles where low flash is preferred.
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