Exactly. Its like a weird car type or laser disks or PDAs. They work, but for whatever reason, time passes them by. Whether it is the weird parts(the
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