APS Smart Shot Mini Launcher with Cartridge Shell, Paintball Cylinder adaptor, Wad, Sealing Paper & Belt LoopAPS Smart Shot Mini Launcher Complete Set Made out of polymer fiber. Compatible for Mil Std 1913 Rail System. Quick Release Function (With QD Mounting Button). Easy to Operate. Push the Back Trigger to shoot & Pull the Trigger Lever backward to open the Chamber. Comes with the Trigger Safety Button. Suitable for Mounted on any Guns that equipped with Mil Std 1913 rail. Design for APS CAM870 Shotgun Co2 Cartridge. Co2 Cartridge Shell fits For CAM870