How do cylinders work on magazines

1. Put it directly in the magazine, and then tighten the knob under the magazine. The inlet under the air valve of the magazine is a small tube with a short bevelled top. When the cylinder is installed and the knob is tightened, the tube will puncture the seal and CO2 will enter the air valve. 2. When in use, open the main switch of the cylinder counterclockwise, observe the reading of the high pressure meter, record the total carbon dioxide pressure in the high pressure bottle, and then turn the pressure adjusting screw of the low pressure meter clockwise, so that the main spring of the compression will open the valve