Resting part for butt of firearm uses screws going through vertical elongated holes along its sides, tightening/untightening of screws modifying position of resting part relative to butt

摘要

Vertical elongated holes (6) are located on edges of resting part (4). Screws (7) are inserted through elongated holes, and rest against butt (2). Resting part can be made from wood, but also of synthetic material, such as polyamide. Nut and screw are also inserted through holes for securing resting part to butt. Adjustment of resting part is done by tightening/untightening screws (7).