Proof Research 134573 Bolt Action Barrel Pre-Fit 6mm Creedmoor 20" 1:7.50" Twist (5 Groove), 5/8"-24 tpi Threaded, Stainless Steel, Drop-In Design for Sig Cross Grips and Recoil Pads Provided appendix platform accessory wing

Provided appendix platform accessory wing allows the user to join their magazine to their existing Stache IWB Base model and create their own appendix platform if they so choose

The 41 caliber FTX slug actually engages the gun's rifling

designed to quickly transfer expansion energy for maximum lethality on game

TruGlo's Tru-Brite 30 Series offers the perfect combination of clarity

Tube not included

Proof Research 134573 Bolt Action Barrel Pre-Fit 6mm Creedmoor 20" 1:7.50" Twist (5 Groove), 5/8"-24 tpi Threaded, Stainless Steel, Drop-In Design for Sig Cross Grips and Recoil Pads Provided appendix platform accessory wingThe 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!