Soft Air Colt .12 6mm Green BBs - Need BBs? Then you need Colt Competition Grade Clear Green .12g 6mm Airsoft BBs. These competition grade BBs yield better results thanks to an ultrasonic finish with up to a 10% higher velocity performance. Ready to step up your game? Get your Colt Competition Grade Clear Green .12g 6mm Airsoft BBs today! Competition Grade; Ultrasonic Finish; 10 percent Higher Velocity Performance; Perfect for Spring, C02 or Green Gas Airsoft Guns; Weight: .12g; Color: Clear Green; Material: ABS Plastic; Caliber: 6mm; Manufacturer: Colt; Material: ABS Plastic;