The BRDE gas block drilling jig OA is used to drill Odin Adjustable Gas Block with a 0.750" bore and flat side for pinning.
Cold rolled carbon steel
Waterjet, manual machined and hand fit opening
Manganese Phosphate finish
#31 hardened drill bushing
Includes 1/4"-28tpi x 3/8" soft point set screw
Includes one #31 cobalt jobber drill bit and 1/8" hex key