This is a special order item. Shipping could be delayed up to 7 days for manufacturing.
This is a custom made BRDE gas block drilling jig used to drill Spikes 0.750" bore gas blocks for pinning.
Dimensions of opening:
OAH - 1.390", OD at Barrel 0.970, OD at gas tube hole 0.375, Bottom 0.325" wide
Cold rolled carbon steel
Waterjet, machined and hand fit opening
Manganese Phosphate finish
#31 hardened drill insert
Includes 1/4"-28tpi x 3/8" soft point set screw
Includes one #31 jobber drill bit and one 1/8" hex key