Simple Design, Precision Influences - Support-hand rest on front strap to minimize movement; Bottom support acts as a bag rider for shooting rests; Enhanced Ergonomics - Non-slip rubber butt-pad with rollover on the toe; Sloping cheek weld combines a slim profile with user comfort; Compatible with Magpul CTR Cheek Risers for use with a fully extended stock and on rifles without rear-facing charging handles; Secure Fit - Shielded, ambidextrous release latch prevents snagging and accidental operation; Premium chrome-silicon lock spring; Customizable - Compatible with Magpul ASAP, ASAP QD and other receiver-mount sling attachments; Rear M-LOK slot functions as a footman's loop for direct sling attachment, and can also accept the optional M-LOK QD Sling Mount for push-button swivels; Side mounting slots accept optional CTR Cheek Risers for NON AR15/M4 applications; Compatible with MOE SL Enhanced Rubber Butt-Pad, 0.7" for additional LOP; Made in the USA