Introduced by Browning in 1994. New accuracy system allows shooter to fine-tune his Browning rifle to particular load he is using. Consists of a tube on end of rifle-muzzle that allows shooter to select best setting for ammunition type. System also reduces recoil. BOSS stands for "Ballistic Optimizing Shooting System". This option will add approximately $80 to value of particular Browning rifle on which it is fitted.