Excite Smart Shot BBs are safer than traditional steel BBs, without compromising the shooting experience. Lead ball centers ensure low ricochet by deformation on impact. The copper coating adds just the right amount of hardness to prevent damage in spring operated magazines. With perfect roundness to the BB, precision is guaranteed each and every time. CALIBRE .177 cal. WEIGHT 7.4 gr/ 0.48g. MIN. MUZZLE ENERGY 2.5 ft.lbs MAX. DISTANCE 10 m CONTENT OF TIN 750 pcs.