You can recycle it.
drain the tank, throw it away
To start a co2 dragster, you just simply shoot the co2 canister and then the co2 dragster will go.
See the link below for the Crosman 454 Owners Manual.
The top of a CO2 canister isn't very thick. It will take about a half a pound of pressure to break through the top.
100 USD
Crosman offer a free service to locate shops that repair older Crosman air guns. see the link below
Yes they are all the same just different brands.
Crosman offers a service to locate repair shops the repair older Crosman, Benjamin and Sheridan air guns. See the link below
You must have them hydro-tested or throw them away. You will not be able to fill them legally.
The Crosman model 150 was made between 1954-1967. It is a .22 cal pellet pistol.
The disposable aluminum CO2 cartridges used for airguns are standardised, and should be compatible.
It uses a 12 gram C02 powerlett