Yes, each cartridge only contains a specific amount of CO2 which eventually needs replacing.
There is No C02 cartridge in the Marksman Repeater, it is spring operated
You go to a sports store and purchase one.
The Marksman Repeater doesn't use a C02 Cartridge it a spring operated pistol
Why would you want to? That sounds lame.
An airsoft grenade does not explode, it launcher BB's out of the launcher powered by gas.
It uses a 12 gram C02 powerlett
It all depends on the C02 cartridge. If it's a small 12 oz cylinder, then the answer is NO.
Most all C02 air guns use the common 12 gram C02 cartrage.
ZERO! you don't use propane you use C02.
Many companies make 1911 looking handguns, some of them use 12 grams, others use green gas, spring or batteries. You need to check what company, and what model you are looking at.
depending on the model around 70 - 90 shots