Proof Research 134504 Bolt Action Barrel Pre-Fit 6.5 Creedmoor 16" 1:8" Twist (5 Groove), 5/8"-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross Scopes Compatible with three-position S-E-F and

Compatible with three-position S-E-F and Safe-Semi trigger packs

The most popular SABRE style

This model shoots either BBs or pellets and can hold up to 50 BBs in the magazine

and T-15 Torx screws for secure mounting and recoil resistance

The Durashell Plus fabric shell is durable yet lightweight with an interior coating of ShadowGuard to eliminate shadows and silhouettes

Proof Research 134504 Bolt Action Barrel Pre-Fit 6.5 Creedmoor 16" 1:8" Twist (5 Groove), 5/8"-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross Scopes Compatible with three-position S-E-F andThe 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!