DoubleStar Optic Ready Carbine/16" Barrel Flat Top/2 Mini Ri
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This Optic Ready Carbine is a lightweight, mil-spec, semi-automatic M-4 style rifle and optimizes high performance. Featuring a 16" chrome moly steel, 1X9 twist barrel with a tactical muzzle brake permanently attached, flat top with single rail gas block and two mini risers, and a precision machine cut M-203 mounting groove.