BB quality is very important, as malformed BB's ... of the airsoft weapon or the hop up systeim. High Grade Precision Airsoft BB Ball Item No.:5025WSpecifications:0.25g ... , Roundness, Very High Grade Precision, 5.95±0.01, High Hardness, Reflet, with white color.Application ... pistols, or higherPacking:3000 Rounds/Bag 20Bags/ctn High Grade Precision Airsoft BB Ball (0.25G, 6mm)