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
Magnum Research CZ455BAR18G Replacement Barrel Ultra 22 LR 18″ Threaded Black Carbon Fiber Aluminum Barrel Fits CZ455
Faxon Firearms 12B216N18LMQ-T Match Series Medium Barrel 18.50″ Nitride 416-R Stainless Barrel Fits 10/22
