5 THINGS to know about CO2 air guns
Many air guns are powered by CO2, or carbon dioxide gas - even though they're still called 'airguns'! From refilling to using special maintenance capsules, understanding how temperature and firing style can alter their power, airgun shooter Nigel Allen looks at five things that every airgunner should know about this inert gas as a pellet gun's power source. Oh... and watch out for frostbite...!!!