Seekins SIC Large Tenon .300 Norma Magnum 1:8 Barrel

The Seekins SIC Large Tenon .300 Norma Magnum 1:8 Barrel is a factory replacement and caliber-conversion barrel assembly designed exclusively for the Seekins SIC modular rifle system. Featuring a 416R stainless steel core wrapped in carbon fiber with flats machined for tool-assisted barrel changes, this match-grade barrel is single-point cut rifled and hand lapped to exacting tolerances with a 1:8 twist rate and 5/8x24 threaded muzzle, dropping into the SIC large tenon action using Seekins' open-source headspace and tenon specifications. Seekins SIC Large Tenon .300 Norma 1:8 Barrel 10160223F