Proof Research 22Lr Rimx Barrel 18in Sendero 1 16 Twist

The Proof Bbl Cf Bolt 22lr 18 Zermatt 1-16 Sendero from Proof Research delivers precision-inspired performance in a compact RimX action configuration, pairing a 22 LR caliber with an 18-inch Sendero contour barrel and a 16 twist rate for consistent accuracy at practical distances. This barrel assembly weighs 2lbs-11oz and features 1/2-28 muzzle threading, enabling clean attachment of common muzzle devices and suppressor-ready setups for versatile field and range use. Engineered for benchrest-level precision and reliable cycling, the RimX action paired with the lightweight Sendero profile offers balanced handling in a compact package, ideal for varmint hunting, small game pursuit, and disciplined target shooting. Crafted to minimize harmonics while maintaining rigidity, the barrel platform supports tight groupings and repeatable shots, making it an attractive upgrade for builders and shooters seeking a dedicated rimfire solution with modern manufacturing tolerances. Whether you're refining a precision rifle build, stepping up your competitive practice, or outfitting a field rifle for responsible, accurate performance, this Proof Research barrel delivers the combination of performance, compatibility, and durability that discerning shooters appreciate.