Use this to clean and tune (if desired) the our SB2-9MM or SB3-9MM compensating muzzle brakes. Includes one automatic center punch to remove carbon and lead buildup as well as drill bits to remove buildup from the port holes. The drill bits can be used to open up the ports if more down force or lateral force is desired.
Drill bit sizes:
1/8″ (stock port size)
11/64″
7/32″
1/4″
***Wear safety glasses while drilling holes and especially when using the automatic center punch to remove buildup***





Reviews
There are no reviews yet.