The MOE Stock is designed to be a drop in replacement carbine stock body. This is a stock only. MOE Carbine Stock, Mil-Spec Version MOE M4 Carbine Collapsible Butt-Stock Military Model Magpul Original Equipment (MOE ) is a line of firearm accessories designed to provide a high-quality, economical alternative to standard weapon parts. The MOE line distinguishes itself with a simplified feature set, but maintains MagpulA(R) engineering and material quality. The Magpul MOE Stock Military Model is a drop-in replacement butt-stock for carbines using mil-spec receiver extension tubes. Designed for light, fast action the streamlined A-frame profile avoids snagging and shields the release latch to prevent accidental activation. The extra-power lock mechanism uses a premium chrome-silicon spring to avert auto-collapse failure and maintains strength by resisting spring relaxation. The Military Model includes a standard 0.30 rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear. Adjustable for length of pull. This stock features a unique locking mech that friction locks the stock to the buffer tube for zero movement. Mounts on Mil-Spec AR15/M16 carbine receiver extention (buffer tube) (including; Colt, BCMA(R), CMT, LMT, Vltor, Stag) Color: BLACK Made in USA Features Mounts on Military Carbine Receiver Extension tube (Not included) from manufacturers such as Colt, Armalite, LMT, S&W, etc. Premium chrome-silicon lock spring provides positive locking and long service life Sloping cheek weld combines a slim profile with user comfort Shielded release latch prevents snagging and accidental operation Side mounting slots accept optional cheek risers for NON-AR15 / M16 applications Compatible with Single-Point sling mounts Sling Mounts o Rear / Bottom - 1.25" Sling loops o Toe - Lanyard hole for custom para-cord rigs Included Accessories* Rubber Butt-Pad, 0.30 (Removable) Specifications* CTR Military Carbine Stock (w/ Rubber Butt-Pad, 0.30 ) o Weight, Stock: 0.52 lb. o Weight, w/ Receiver Extension: 0.82 lb. o Length, Stock: 6.88 in. o LOP Adjustment Range: 3.3 in. o LOP, M4 Collapsed: 10.4 in. o LOP, M4 Extended: 13.7 in. * Specifications based on standard-length (flat-back) M4 Carbine Receiver Extension and may vary depending on tube manufacturer. Standard Rubber Butt-Pad, 0.30 weight: 0.09 lb. Optional Extended Rubber Butt-Pad, 0.55 (weight: 0.12 lb.) may be used with either extended-length (slant-back) or standard-length (flat-back) M4 Carbine Receiver Extensions. Butt-pads are compatible with UBR , ACS , CTR and MOE carbine stocks.