Designed to fit AR-15 and M16 barrels, the BCM Low-Profile Gas Block is machined from high-quality steel to Mil-Spec tolerances. This gas block includes set screws for secure mounting and features a phosphate finish for excellent corrosion and wear resistance. Available with either .625" or .750" inside diameter.
Specs: Machined steel, phosphate finish. Measures 1.34" high (3.4 cm) and 1" long (2.5 cm). Includes set screws for mounting.
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