so is argon/krypton even better than nitrogen? i hear the molecule is bigger [/quote]
Honestly I didnt go look at the molecular weight of each and compare. But from the hip I'd say yes. Argon is less reactive than Nitrogen. It is suposedly less reactive to temp change also. Maybe it plays different with light also.......
Its all meaningless to the shooter. But Costco will put Nitrogen in your tires of your car if you want. For alot of the same reasons they use it in scopes.
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If your lucky certain brands leak on the first shot.
