Seekins Havak Hit M3 .308 Win 18" 1:11.25 Barrel 10160171F

The Seekins Precision Havak HIT M3 .308 Winchester 18" Stainless Match Barrel is a factory replacement and caliber-conversion barrel assembly designed for the Havak HIT M3 quick-change barrel system. Machined from 416R stainless steel to match-grade tolerances with a 1:11.25 twist rate and 5/8x24 threaded muzzle, this barrel drops into any HIT M3-compatible action without specialized tools, delivering a seamless caliber swap at the bench using Seekins' open-source headspace and tenon specifications.