The G&G PSBP (Perfect Spherical Ball Pellet) are flawless in construction and feature a seamless exterior In addition to being perfectly manufactured, G&G BBs have high tolerance and high quality G&G's Precision airsoft BB's are guaranteed to work with all airsoft inner barrels chambered for 6mm These perfect G&G BB's are uniform both in weight and size, providing you with greater accuracy and shot consistency Unlike other low grade airsoft BB's, these BB's will not cause your magazine to fail, your barrel to jam, or leave shards inside the gearbox In the Box 1X Bag of BBs Specifications: Brand G&G Build Plastic Compatibility All Airsoft Guns BB Diameter 5.95mm +/-0.01 Weight 0.25g California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov