DescriptionChiappa Rhino 50DS CO2 .177 BB Revolver, Black .177 caliber CO2 Black aluminum alloy body Brown medium synthetic grip Double/single action Single stage trigger BBs load in cartridges 6-round cylinder Fixed front sight Adjustable rear sight Velocity: 400 FPS Energy: 5.5 FPE Uses one 12-gram CO2 cartridge Barrel length: 5″ Overall length: 9.5″ Weight: 2.5 lbs. Tags: BB, black, Chiappa, CO2, Revolver, Rhino