The MOE Fixed Carbine Stock Mil-Spec Model (Magpul Original Equipment) provides an inexpensive, fixed, non-collapsing stock option for mil-spec size carbine-length buffer tubes. The MOE Fixed Carbine Stock has a slim profile, improved cheek weld, and multiple sling attachment options, and is compatible with ASAP Plates and PRS Extended Rubber Butt-Pad. Installation is non-armorer and does not require the castle nut or lock plate to be removed.