A cylinder accommodation magazine is provided for containing at least one cylinder. The magazine includes a magazine body and a cylinder chamber. The magazine body includes at least one cylinder container. The cylinder chamber is disposed at one end of the magazine body and away from the at least one cylinder container. A shape of the cylinder chamber conforms to a shape of the at least one cylinder container so as to selectively receive the at least one cylinder, thereby containing more projectiles and achieving easy arrangement of the projectiles.