I had the Savage O/U with a 30-30 barrel. It would put three shots in an inch group with 125 grain Nosler Ballistic tips. I have a 30-30 Single shot in the NEF rifle which shoots real well with Nosler Ballistic tips in 125 or 150. No need for round or flat nose bullets in a single shot. This was a unlikely gun to shoot that well but it was a tack driver if I dare say so.