MetalTac Airsoft BBs Bio-Degradable .20g Perfect Grade High Precision 6mm BB Pellets (Bag of 5000 Rounds) High quality BBs Comes with 5,000 rounds per bag Extremely accurate These BBs are 0.20g (+- 0.01g) and 5.95mm (+- 0.01mm) Perfect BBs to use on expensive AEGs High quality comparable with other expensive brands at a low cost