Patent ID: 7886473

Claim:
A firearm stock engageable with a system stock having two ends and two longitudinally extending guide surfaces, the stock comprising: a first stock portion including a connection region at an end of said first stock portion, the connection region operative to connect the first stock portion to the system casing, said connection region containing two side cheeks having inner sides, each side cheek further defining end facing curved connection surfaces operative to matingly engage said two end facing curved connection surfaces of said system casing, a recess tapering inward and positioned underneath said two side cheeks, said recess operative to matably engage said end facing tapered side surface of the system casing, and two longitudinally extending guide surfaces spaced apart and parallel to each other, positioned on said inner sides of said two side cheeks, and operative to matably engage the longitudinally extending guide surfaces of the system casing; and two triangular lower contact surfaces each positioned proximate an inner side of a side cheek.