Anyone ever Vang Comp'd a gauge?

[pneuby]

I figure recoil reduction probably works to a degree. But...did it tighten the pattern at all? 2nd_hand info helps, too

 

[was21]

Before Flite-control wads it was a big thing. Today you can get equivalent performance just by getting Federal FC or the new Hornady equivalent.
Did change the recoil impulse a bit because of the forcing cone reaming. Was still sensitive to ammo selection for patterning.
FWIW
YMMV