I tried one of the compact military models used by the US. Neat piece of kit as far as putting a scope on an assault rifle. Worked well and the troops seemed to like it. Never laid eyes on one of the sporting class scopes.
Not bad scopes at all but their original reticle was never designed for ranges over 200 yards. I see this year they have finally come out with more hunter friendly reticles and it should open the market up a bit to them.