Crosman Copperhead Steel BB’s .177 (4.5mm) Top-quality Premium Crosman Copperhead’s, the only copper-coated steel BB’s. Copper coating resists corrosion and surface oxidisation that can be experienced on steel BB’s that are not stored correctly or in high humid conditions. Sold in a user-friendly, resealable plastic bottle with an improved screw-on cap and easy-pour spout. These precision made .177 / 4.5mm BB’s are manufactured in the USA to the highest standards of finish and consistency, giving reliable quality and high penetration.
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