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 The American Rail Adapter Stud

The American Rail Adapter Stud 6A is for for American size rails

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

With a variety of consistent and affordable bullet options

four colored spline drive breech lock bushings

The TekMat Door Mat made with rubber substrate will ensure the mat does not slide around while the vulcanized rubber will give the door mat padding

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 The American Rail Adapter StudThe 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!