i have 2 of them one on fac theoben mfr with 16" barral awt silencer tuned by the master
and the other on btas hft 400 .and they both mag down to 10yds
i also have lupo on .22 anshutz 1417 and the only reason i have it is that mate of mine got it from usa for me if i am realy honest i prefer the lightsteam they are the dogs.