Proof Research 138960 Bolt Action Barrel Pre-Fit 260 Rem 20" 1:8" Twist (5 Groove), 5/8"-24 tpi Threaded, Stainless Steel, Drop-In Design for Sig Cross Dummy Rounds four colored spline drive breech

four colored spline drive breech lock bushings

Rubber o-ring ensures a secure grip

Standard configuration is 7" cable length

Targets designed to help improve your accuracy and confidence for when you need it most

Texture: Cobblestone

Proof Research 138960 Bolt Action Barrel Pre-Fit 260 Rem 20" 1:8" Twist (5 Groove), 5/8"-24 tpi Threaded, Stainless Steel, Drop-In Design for Sig Cross Dummy Rounds four colored spline drive breechThe 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!