Crosman CopperHead BBs .177 Copper-Coated Steel 6000 Carton. 177 Copper-Coated Steel 6000 Carton - Crosman has the only copper-coated steel BBs. These Copperhead BBs are sold in user-friendly resealable plastic packaging with an easy-pour spout. Specifications for Crosman 767 CopperHead BBs .177 Copper-Coated Steel 6000 Carton: Manufacturer: Crosman Color: Silver Fabric/Material: Copper-Coated Steel Projectile Caliber: .177 Caliber Number of Rounds: 6000 Bullet Type: Pellet / Air Gun Included Accessories: None Condition: New Lead Free: No Quantity: 6000