The Magpul MAG672-FDE is the PRS Gen 3, a precision stock crafted for AR15/M16 and AR10/SR25 platforms, which boasts both tool-less length of pull and cheek piece height customizability. The solid adjustments made for length of pull and cheek piece height are facilitated with aluminum detent knobs, serving to provide a secure interface for semi-automatic sniper or varmint style rifles.The PRS Gen 3 (Precision Rifle/Sniper) stock offers a virtual universal fit designed ideally for rifle-length receiver extensions. Nonetheless, it is also compatible with many mil-spec carbine and A5-length tubes*. The stock comes complete with a cant/height-adjustable rubber butt-pad, QD sling swivel cups that limit rotation, and M-LOK slots located at the bottom for the convenience of rear monopod mounting.