Proof Research Bolt 22 ARC 24" Carbon Fiber Sendero Origin Barrel - PROOF 139387

Pre-fit carbon fiber barrel for Zermatt Arms TL3/SR3 Origin and RimX actions in 22 ARC caliber with 24" Sendero contour. Carbon construction provides up to 64% weight reduction compared to steel barrels while offering improved heat dissipation and durability. Installation is straightforward: thread onto action, torque down, verify headspace, and shoot.