The MOE Rifle Stock (Magpul Original Equipment) is a drop-in replacement for AR15/M16 A1 and A2 rifle stocks utilizing the standard rifle-length receiver extension (buffer tube). Designed as a basic upgrade, the stock features integral 1.25" sling loop, optional dual-side front and rear QD mounting points, replaceable anti-slip rubberized butt-pad, and internal storage compartment accessible through the rear storage door Product Features Sloping Cheek Weld Storage Compartment in the tail Knockout BOsses Push-Button QD Sling Sockets East to Mount and Operate Sling Point Variety Anti-Slip Butt Pad Product Specifications Platform: AR10, AR15, M4, M16, M110, SR25 Length: 10.4" Length of Pull: ~13.5" Weight: 14.0 oz. Weight, w/ receiver extension: 17.6 oz.