Black Rifle Disease Engineerin Ar-15/M16 Gas Block Dimpling Jig

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Steel fixture provides a secure, accurate guide for drilling setscrew dimples on the underside of an AR-15/M16 barrel for installing a Vltor or LaRue Tactical low-profile gas block. Mfg: Black Rifle Disease Engineerin SPECS: 1045 steel, black oxide coating. 1″ (2.5cm) long, 1 1/8″ (2.8cm) wide, 1 1/4″ (3.2cm) tall. 3.2 oz. (90g) weight. .750 dia. Only.