Mad Bull Precision Grade 6mm Plastic Airsoft BBs are an excellent upgrade for intense skirmish scenarios. These polished, high quality BBs decrease the risk of jamming, and improve shot accuracy in the battlefield. Own your enemies and order today! For use with electric, spring, and gas powered airsoft guns. Features: 6mm Plastic Airsoft BBs 5.95 +/- 0.01mm diameter with precision lapping and polishing process 0.20g 4,000 rds White