The Valken Infinity 357 Green Gas Revolver is a green gas airsoft revolver that is made of heavy duty polymer construction. This Valken airsoft gun is green gas powered and functions similarly to a real revolver. The Valken 6mm revolver also comes with six brass cartridges and reloads in a snap. The cylinder holds six cartridges, and each cartridge holds one 6mm airsoft BB. This is a great starter revolver at a great price!