doublegunshop.com - home Forums General Discussion DoubleGun BBS @ doublegunshop.com GunsmithsQ. Bbl torque,when firing one bbl on sxs

I was reading Stans topic on his off face BSS.
I was wondering when you fire the right bbl,do the bbls torque to the left or right, as your looking down the rib & pulling the trigger?.
As they are offset from the middle, or rib, there has to be some difference depending on which bbl is fired.
I would think that right bbl firing would make the bbls torque to the left?
And if a gun was fired thousands of times , from the same bbl only,like a single shot, would that cause the fired bbl to come off face...or the other not used bbl?
Cheers
franc