Fans of Curtis Custom actions will be an even bigger fan of the PROOF Research prefit stainless steel designed for the Axiom and Vector action.s PROOF's Curtis Custom prefit barrels will arrive threaded/chambered with 5/8x24 muzzle threads. This is a shouldered barrel that requires few specialized tools for install. They're offered with a variety of caliber, lengths, and twist rates in stainless steel..
* These Curtis Custom prefit barrels are pre-headspaced. However, it is always recommend to double check headspacing with proper gauges before firing a rifle.