NOT KNOWN FACTS ABOUT USED GUN SHOPS NEAR ME

The first GBB airsoft weapons were powered by R-twelve, a liquid propellant and CFC gas generally used in car or truck air-con and fridges like a cooling agent. Once CFCs were discovered to result in intense damage to the Earth’s ozone layer and became banned substances, gasoline airsoft guns stopped using R-12 and transformed to safer gasses.Now