Longitudinal ports help minimize the blinding effects of muzzle flash in low light for improved target acquisition during night operations. Screw-on design for threaded barrels only. Includes crush washer for proper timing of vents. .223 model has four ports and aggressive, serrated notches at the tip that provide extra insurance in hand-to-hand combat. Integral rings at the base accept military sound suppressors and allow mounting of Blank Firing Attachments (BFAs) for training exercises. .308 has five ports and smooth, non-serrated muzzle tip; no BFA ring at base.
SPECS: Steel, mil-spec phosphate coating. .223 - ½"-28 tpi. 2¼" (5.7cm) long, 7⁄8" (2.2cm) diameter. 2.3 oz. (65 g) wt. .308 - 5⁄8"-24 tpi. 2-15⁄16" (7.5cm) long. 1" (2.5cm) diameter. 4.5 oz. (127g) wt.
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