KJ Ruger MK2 PistolSPECIFICATIONS: System : Gas NON Blow Back Action : Semi auto Velocity : ~ 440 fps Length : 245 mm Weight : 790 g Hop up : Adjustable Gas : CO2 Capacity : 15 FEATURES: Metal outer barrel and receiver construction, metal full size magazine and all metal internals Functional safety lever Optic fiber front sight Can use KJ MK1 Green Gas mag to achieve ~380 fps Package: Airsoft gun, CO2 Magazine, ~200 rd 0. 2g BB, Instruction manual, KJ Works Catalog