| Replacing the CO2 cartridge in a Y-type keybox (KM vest and FR jacket) The first step is actually to remove and discard the spent CO2 cartridge. In the video I have a new one that is barely threaded in place. |
| Replacing the CO2 cartridge in a Y-type keybox (KM vest and FR jacket) The first step is actually to remove and discard the spent CO2 cartridge. In the video I have a new one that is barely threaded in place. |