Magpul PRS Gen3 Precision Stock Flat Dark Earth Synthetic Fixed Adjustable Comb Fits AR-15/M16/M4 drops onto standard rifle-length receiver extensions and most Mil-Spec carbine and A5-length buffer tubes, offering maximum stability for precision shooters. Machined aluminum knobs allow tool-free LOP and comb height adjustments with positive locking detents; aluminum parts are Mil-Spec Type 3 Class II hard anodized. Anti-slip rubber butt pad adjusts for height and cant. Enhanced butt plate resists recoil up to .50 BMG. Steel adjustment shafts finished in Melonite for corrosion resistance. Front/rear QD sling sockets and improved footman's loop included; M-LOK slots on stock bottom accept additional QD sockets or monopod. Weighs 27.80 oz. Made in the U.S.A. Safety note Follow all manufacturer installation instructions. Verify proper fit and secure mounting before use. Comply with local firearm laws and regulations.