Yep, I agree. Mike (aka Norton AMC) is a top bloke to deal with ... My .22 MkIII gives me 1/2" groupings with blue tin Eley Wasps (still got two tins left ) @ 10m but have never tried open sights out to 40 as my glasses aren't strong enough . Ha ha. ATB M8 and look forward to your up-date : Gareth W-B.