Patent ID: 7849626

Claim:
An adjustable shoulder stock apparatus for use with firearms, comprising: a shoulder stock into which a connecting piece of a firearm is to be inserted, wherein the connecting piece defines a plurality of boreholes; a bolt having an end to be inserted in one of the plurality of boreholes to secure the shoulder stock relative to the connecting piece; a lever that defines a recess that is open toward a top of the firearm and is closed toward a bottom of the firearm, wherein an opposite end of the bolt is positioned in the recess and coupled to the lever and wherein the lever pivots on a first edge of the lever to remove the bolt from the one of the plurality of boreholes, wherein the lever comprises a projection to engage a wall of the shoulder stock to prevent movement of the lever past the wall; a second edge of the shoulder stock to be engaged by a portion of the lever when the lever is pivoted on the first edge a distance relative to the shoulder stock to adjust a position of the shoulder stock relative to the connecting piece, wherein the lever is pivotable about the second edge to remove the shoulder stock from the connecting piece; a swivel cross pin positioned through the bolt to pivotably couple the bolt to the lever, wherein the swivel cross pin does not protrude beyond a molded material of the lever; and a plurality of lateral flanks of the shoulder stock between which the lever is positioned.