You can use Nitrogen (a good choice), or Argon (although the performance will be less than air).... or Helium.... On NO condition use Oxygen, any small remnant of any lubricant inside the gun can explode violently....
Bob
You can use Nitrogen (a good choice), or Argon (although the performance will be less than air).... or Helium.... On NO condition use Oxygen, any small remnant of any lubricant inside the gun can explode violently....
Bob
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal: Too many to count!