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 GradeUltrasonic Finish10 percent Higher Velocity PerformancePerfect for Spring, C02 or Green Gas Airsoft GunsWeight: .12gColor: Clear GreenMaterial: ABS PlasticCaliber: 6mmManufacturer: ColtMaterial: ABS Plastic