... 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:For use in higher end spring airsoft rifles, AEGs, ... gas airsoft pistols, or higherPacking:3000 Rounds/Bag 20Bags/ctn ...