Ghk 74u gbb slr build Externals: Samoon slr upper and lower handguard Real slr handstop Lct pbs2 silencer Hephaestus red dot mount Asura dynamics selector switch Samoon sling point Magpul pistol grip Asura dynamics buffer tube adapter Internals: Maple leaf inner tightbore barrel,bucking and hop unit Hephaestus steel sear and firing pin Gun has not been fielded only tested for functionality. Red dot may be ibcluded but the pmag is not. Comes with 2 5.45 mags no leaks. Buyer pays for fees and shipping price is negotiable and no trades