The Smith Wesson MP15 is an AR-style gas-operated semi-automatic rifle designed with military and police as well as personal use in mind. It is chambered in 5.56mm NATO.223 Remington 22 LR and 5.4539mm with an aluminum receiver with hard-coat black anodized finish and either melonite- or chrome-lined barrel. It features a integral trigger guard 6-position telescoping butt stock and adjustable sights. The MP15 is compatible with most standard AR-15 mil-spec components and accessories. Including a holosun 403 optic and strealight protac weapon light with pressure pad. 800 rnds of 5.56 available with purchase If the buyer is willing to pick up locally or pay for shipping of ammo separately.