I have a Remington 597 LS HB in 22LR. Bought it brand new. The barrel throat looked like an older milsurp that was eroded and pitted. Wasn't the least bit accurate, must have been bad steel. Sent it out and Remington didn't even question it, sent me a replacement gun, and not just the barrel. This one's great. Sako, who is at the upper end of the market, should not even question a rifle, if it's keyholeing, then they should have replaced it.