Description:1. One-button ejection safety design: When there are no spent casings in the magazine, simply press the ejection button to eject the cartridge, providing a realistic ejection experience. 2. The bolt remains open after the last bullet is fired. Of course, you can also remove the magazine for continuous firing. 3.The muzzle is made of metal and features a built-in safety laser, resulting in a longer and straighter ejection distance. It can also be used in conjunction with a target sensor. Please note: This laser gun requires the use of R290 refrigerant. Features:1.Material: Nylon+Metal2.Maximum Laser Range: 200+ meters3.Firing Mode: Semi-automatic4.Recognition Range: 50 meters5.Size: 23cm Package List:1*CZ75 Laser Gun¡ꡧmetal mag¡ê?10*Plastic Casings