unless the o-ring that goes on the regulator adjustment nut (just a standard barrel o-ring) is somehow not there, there is no way it's backing itself
Velocity drop off after just a few hundred rounds doesn't make sense unless something changed.
The detents aren't adjustable. A small
A note from Lori Gurnsey......
As many of you know, I was always at my husband’s side -outside of the limelight. My joy was to watch