The PROOF Research Bolt Action Barrel Pre-Fit 308 Win 18" 1:10" Twist 5/8"-24 TPI is available at Nautilus Arms.
The times of sending off your Sig Cross to have the barrel changed is over with Proof's drop-in barrel Design! Stand-alone and guaranteed to headspace is achievable at your own home with no gunsmith required!
Specifications
| Brand | PROOF Research |
|---|---|
| Model | Bolt Action Barrel |
| Length | 18" |
| Finish | Carbon Fiber |
| Twist Rate | 1:10" |
| Bore Type | 5 Groove |
| Barrel Type | Pre-Fit |
| Barrel Features | Drop-In |
| MPN | 134474 |
| UPC | 843068134474 |
