This Daniel Defense Pro Chassis is a drop-in replacement for the factory stock on your bolt action rifle. Designed for long-range competition-specifically the PRS production class-integral features give users a professional chassis solution without the professional price tag. With innovative features like the adjustable thumb rest, integral ARCA Rail and user-adjustable buttstock, the PRO Chassis System will not disappoint. FeaturesM-LOK attachment at six positions along forend with one point on bottom of buttstockTen M-LOK QD sling pointsOffers length of pull and butt pad height adjustments without the need for toolsAccepts any AICS Short Action magazine