WE OFFER SUPER FAST & FREE 50 STATE SHIPPING & HAVE EXCELLENT FEEDBACK !!! Thanks for visiting ROCK MOUNTAIN TACTICAL ! We are Authorized Full Line dealers for several high quality brands like: Magpul, Ajax Grips, Viking Tactics, ODIN Works, GG&G, Eberlestock, Emerson Knives, Savvy Sniper Slings, Impact Weapons Components (IWC), Wilson Combat & many other excellent name brands. We have 1000s of items in stock: all types of parts and other gear. Please Visit our eBay Store at Rock Mountain Tactical – since 2006. On Time. On Target. NEVER QUIT !!! Listing is for one (1) NEW, 100% GENUINE, AUTHENTIC MAGPUL 400 Stock as shown and described, in YOUR color choice.Shipped in Factory Box.Description:The Magpul Enhanced stock is a drop-in replacement or excellent upgrade for many platforms. This stock requires a MIL-SPEC sized receiver extension tube.MPI’s Original Equipment is a line of upgrade & enhanced accessories designed to provide a high-quality, economical alternative to standard replacement or build parts. This Magpul line distinguishes itself with a simplified feature set, but maintains Magpul engineering, material quality, modularity and fit & finish. The Magpul standard upgrade / enhanced carb buttstock – Mil-Spec Model (#400) is a drop-in replacement or “build” stock using the MIL-SPEC sized 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 Mil-Spec Model includes a standard 0.30″ rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or other modular load bearing gear. Proudly Made in U.S.A. FEATURES: Mounts on mil-spec sized carb receiver extension tube (NOT included) from quality manufacturers – not designed for use on cheap aftermarket copies.Angled cheek weld combines with a slim profile for operator comfort and enhanced deploymentShielded release latch prevents snagging & accidental operationPremium chrome-silicon lock spring provides positive locking and long service lifeSide mounting slots accept optional cheek risers for for such applications (cheek risers are available – sold separately)Removable 0.30″ Rubber Butt-Pad offers an anti-slip surface and increases impact protection for stockCompatible with Magpul’s sling mounts as well as other manufacturers’ receiver-mount sling attachmentsSling Mounts: Rear/Bottom – 1.25″ sling loopsToe – Lanyard hole for custom para-cord rigsSPECIFICATIONS: (see notes below) Magpul Enhanced Carb Stock, Mil-Spec version: Weight: 8.0 oz.Weight, w/receiver extension: 12.0 oz.Length, max: 6.9″ inches LOP Adjustment Range: 3.3″ inches ** LOP and WEIGHT Specifications are based on standard-length flat back, real USGI receiver extensions & may vary depending on tube manufacturer.If you have questions???? PLEASE ask before ordering!