Originally Posted by
fiddlefarter
Shellback if your's are the same as mine you just unscrew the clear plastic spring loaded doo-dad at the bottom of the co2 cartridge and un-velcro the front of the vest, there should be a little pocket with a yellow manual cover inside, shaped the same as the auto thingey. you just screw that back on to protect the doo hickey.... That make sense?
If you don't want do that I have a manual Mustang I never use that I'd swap you for an auto (plus some boot to make it a fair trade) if your interested.