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
Proof Research 138939 Bolt Action Barrel Pre-Fit 260 Rem 16″ 1:8″ Twist (5 Groove), 5/8″-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross
