Externals: Lct pbs2 silencer Samoon slr railed gas tube and lower handguard Hephaestus sight mount Asura dynamics selector Samoon sling point Magpul pistol grip Asura dynamics buffer tube adapter Internals: Hephaestus steel sear and firing pin Maple leaf tight bore inner barrel bucking and hop up unit Buyer pays for shipping and fees. Red dot sight may be included. Pmag is not. Will come with 2 5.45mm mags no leaks gun functions has not been fielded. No trades