Proof Research 138946 Bolt Action Barrel Pre-Fit 260 Rem 18" 1:8" Twist (5 Groove), 5/8"-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross Gun Sights scratch-resistant dye that's permanently bonded

scratch-resistant dye that's permanently bonded to the aluminum so it looks good now and will continue to look good later

it then folds open automatically

protecting against the most punishing corrosion

Integrated Bluetooth connectivity pairs effortlessly with the Steiner Connect App 2

Proof Research 138946 Bolt Action Barrel Pre-Fit 260 Rem 18" 1:8" Twist (5 Groove), 5/8"-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross Gun Sights scratch-resistant dye that's permanently bondedThe 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!