Our .338 precision shim kits are designed for 3/4x24, M18x1 and M18x1.5 barrel threads to align your muzzle brake or flash hider. .760ID/.875OD
There are 3 sizes of shims in the bag. MADE IN THE USA!
*Our .338 3 Port Brakes include shims
There are 3 sizes of shims in the bag. MADE IN THE USA!
*Our .338 3 Port Brakes include shims