Proof Research Bolt Action 22 ARC Sendero SA Drop Barrel - PROOF 139356

Proof Research pre-fit carbon fiber barrel chambered in 22 ARC, designed for Zermatt Arms TL3/SR3 Origin and RimX actions. Installation is straightforward: thread onto the action, torque down, verify headspace, and shoot. The carbon fiber construction provides up to 64% weight savings compared to steel barrels of similar contour, with improved heat dissipation and exceptional durability.