2SA PRO Gas Block Drilling jig (0.750 Superlative Arms Adjustable)

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The BRDE gas block drilling jig PRO SA is used to drill Superlative Arms 0.750" bore adjustable gas blocks for pinning.

Cold rolled carbon steel
Waterjet and hand fit opening
Manganese Phosphate finish
#31 drill hole hardened insert on one side
Includes 1/4"-28tpi x 3/8" soft point set screw
Includes one #31 jobber drill bit and 1/8" hex key