Integrated Cheek Rest & adjustable Length Of Pull (LOP). Patent-pending 1 Latch system, locks both LOP and Cheek Rest height with one lever; can be configured for right or left-hand shooters. LOP memory feature; set it once and the adjustable butt-pad will spring out to the same length every time. LOP Adjustment Range extension: 32mm (1.26). Integrated Cheek Rest, adjustment range; 42mm (1.65). Concealed Picatinny rail at the bottom of the stock for use with a monopod. Heavy-duty, rubber butt-pad with height adjustment. The RAPS-C includes a retention bolt, for determining optimal fit on MIL-Spec or Commercial-Spec Carbine buffer tubes. Easy installation, no gunsmith required