I had them rebarrel a howa to a 7 x 57, in stainless, bead blasted, turn around time is a bit much but the job is 1st class, It will shoot under 1" @ 100 if I do my part. I've got a 8 x 57 that I put on a mauser action and shoots pretty good probably 1 1/2 @ 100, I've reamed it out to a 8-06