AR15 Lower Receiver with Internals. Lower is new and unfired. This lower is manufactured by Stag Arms. Stag Arms is a well known manufacture of high quality AR15 semi-auto and M16 full auto weapons for civilian, law enforcement and military use. This is a Semi-Auto forged Lower Receiver w/all internal parts. All internals are Mil-Spec. Receiver comes with all of the lower parts, front take-down pin, fire control group, semi-auto selector, trigger guard, pistol grip and magazine catch/release installed. Buyer can quickly added the buttstock assembly of their choice: tactical stock, carbine, fixed A2 stock etc. Lower uses standard take-down and fire control pins. Receiver is military spec. hard coat anodized aircraft grade 7075 T6 aluminum and is Teflon coated for added durability and color consistency. Lower is compatible with all military spec. uppers: Bushmaster, DPMS, Rock River etc.Everything you need for the lower half except your buffer tube assembly and stock. Additional photos on request.