This is a special order item. Shipping could be delayed up to 7 days for manufacturing.
The BRDE gas block drilling jig RA PRO is used to drill, Rainier Arms and Superlative Arms non adjustable 0.750" bore gas blocks for pinning.
Dimensions of opening:
OAH - 1.380", OD at Barrel 0.938, OD at gas tube hole 0.375, Bottom 0.325" wide
Cold rolled carbon steel
Waterjet and hand fit opening
Manganese Phosphate finish
#31 drill hardened drill bushing
Includes 1/4"-28tpi x 3/8" soft point set screw
Includes one #31 jobber drill bit and 1/8" hex key