Rugged’s .338 precision shim kits are designed for 3/4×24, M18x1 and M18x1.5 barrel threads to align your muzzle brake or flash hider.
Rugged Suppressors, Shim Kit, For Aligning Muzzle Devices, Fits 3/4×24 or M18X51 Muzzle Threading
- .760ID/.875OD
- Designed for 3/4×24, M18x1 and M18x1.5 barrel threads









