The B-14 Sporter Varmint rifle features a molded synthetic stock made of glass fiber reinforced polymer. The Sporter Varmint also features the world-renowned Bergara varmint barrel and is complemented by a super-smooth B-14 Action, which is a two-lug system with a sliding plate extractor and a coned bolt nose and breech to ensure a smooth feeding and extraction of the cartridge. It’s also outfitted with a Bergara curved trigger to guarantee a crisp, clean pull every time you fire the rifle. The trigger comes set at about three pounds. The Sporter is available with a hinged floor plate. Barrel thickness at muzzle: 21.2mm Muzzle thread: M18x1