... presion, seamless, roundness, polish 0.20g airsoft BB,Brand"GoldenBall"1) high precision, seamless, roundness, polish 2) Perfect ... - For use in higher end spring airsoft rifles,AEG's,gas airsoft pistols,or higer. ps: 6mm airsoft BBs, include 0.12g,0 ... .20g,0.23g,0.25g,0.28g,0.30g,0.32g,0.36g and BIO-BB ...