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!
| Finish | Carbon Fiber |
| Model | Bolt Action Barrel |
| FireArm | No |
| Barrel Features | Drop-In |
| Bore Type | 5 Groove |
| Barrel Type | Pre-Fit |
| Twist | 1:8" |
| Length | 16" |
