Take aim and fire with G&G Armament P.S.B.B. (Perfect Spherical Ball Bullet) 6mm 0.25g airsoft BBs . These polished .25g BBs come in a resealable bag, and are essential ammo for high precision shooting in the battlefield. For airsoft use only. Features: Weight: 0.25g High Polished Pack: 4000 Rds 0.5% Material: Plastic Diameter: 5.95-0.01mm Made in Taiwan