Tested Um22
Paid $20.13 per box (local gun store).....shot at Elkland Pa Range (monthly friday shoot) late afternoon with good conditions .Tried in 10.5 Swindlehurst
(did not adjust tuner) would not groupafter 20 + rounds then tried in 40 X..
grouped good ...shot 5 10s in row looked good in 40 X BUT have R50 and Ely that will shoot in Swindlehurst and 40 X at close to half the price.
Have seen some case prices under $1600. with shipping .....from my limited test I'm not ready to spring for it.