DETAILSGun Type:GBBLength:195mmWeight:475gFire Modes:Semi Auto / Full AutoBarrel Length:Barrel Bore:Rails:Built-in rail under frame for torch/laser.FPS:Approx. 310fpsMaterial:Metal - Outer Barrel, SlidePolymer - FramePackage Includes:1 x Big Bird Full Auto GBB Pistol1 x BB Series GBB Magazine1 x ManualCompatible Magazines:5016 - BB Series 50rnd GBB Magazine5023 - BB Series Magazine5046 - BB Series Co2 MagazineCompatible Gas:Nuprol 2.0 / Nuprol 3.0