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Experience world-class precision and consistency with the PROOF Research Stainless Steel Pre-Fit Barrel. Engineered from match-grade stainless steel, each barrel is CNC-machined, hand-lapped, and bore-inspected to deliver exceptional accuracy and long-lasting performance.
PROOF Research pre-fit carbon & steel barrels for Zermatt Arms TL3/SR3, Origin and RimX actions make it easy to upgrade your rifle or change calibers. The pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on, torque it down, double check headspace and head for the range.
Designed for Zermatt ORIGIN rifle actions (Aero Precision Solus Actions use these pre-fits)
Match-grade stainless steel for superior strength and accuracy
Drop-in pre-fit design — simple installation, no gunsmithing
Cut-rifled and hand-lapped for exceptional bore uniformity
Consistent performance for PRS, NRL, and long-range shooting
* Barrels are specific to the action type/length and are not interchangeable.
All Muzzles threaded 5/8×24
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