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 TekMat Door Mat made

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

Rubber o-ring ensures a secure grip

as well as the civilian semi-automatic SCAR 16S & 17S rifles

four colored spline drive breech lock bushings

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 TekMat Door Mat madeThe 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!