Originally Posted by [NA]WARLORD
All of the o-rings will break in thru use. But the main o-rings that need to break in first are the reg o-rings as they are the ones that control consistency and overall operation of the gun.
I'd agree with that the reg seems to be the major thing needing a break in on the Axe. I'd go with the drops of oil right away if I was doing it again, that really helped to settle mine down.