The Crosman Airsoft Ammo can be used with any brand of Airsoft guns. These round Airsoft pellets are made from synthetic material and weigh just around 12 grams. These round pellets ensure a good shot each time with great accuracy. It is compatible with 6mm Airsoft rifles and pistols. Each pack has 10,000 pellets. The Airsoft gun ammo color blend is perfect for shooting both indoor and outdoor.