Our .338 precision shim kits are designed for 3/4×24, 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
Specifications
| Platform | AR15 |
|---|---|
| Caliber | 338 |
| Thread Pitch | 3/4×24, M18x1, M18x1.5 |
| Manufacturer | Rugged Suppressors |
| Colors | Silver |
Compliance
Know all your state laws before purchase is made.

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