Factory original thread protector (thread cap) for M13 Tactical. Use this cap to shorten overall barrel lenght, or when use of the muzzle brake is not desired. When shooting, barrel should always have an attachment, such as this thread cap, the muzzle brake, or an extended choke tube, installed.
| Weight | 5 oz |
|---|---|
| Dimensions | 8 × 4 × 4 in |
