RUGGED SHIM KIT .338 3/4X24 M18X51
Rugged's .338 precision shim kits are designed for 3/4x24, M18x1 and M18x1.5 barrel threads to align your muzzle brake or flash hider.
Specifications:
- .760ID/.875OD
- Designed for 3/4×24, M18x1 and M18x1.5 barrel threads