The Magpul Original Equipment (MOE) Fixed Carbine Stock provides a fixed, non-collapsible option for rifles with Carbine Length buffer tubes. This stock has a slim profile with improved cheek weld, multiple sling mounting options, and is compatible with the ASAP Plate and with PRS Extended Rubber Butt Pads. This stock is the perfect solution to pinned carbine stocks, or for users who want a fixed stock without having to change buffer tubes. Fits Mil-Spec Carbine Buffer Tubes