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
| Features | .760ID/.875OD; Designed for 3/4×24, M18x1 and M18x1.5 barrel threads |
|---|---|
| Height | 0.3000 |
| Length | 4.3500 |
| Width | 3.2500 |
