LRPV barrels are decent for facory barrels but they still should be broken in properly. An easy way to do this is to use David Tubb's Final Finish. This is the quickest and easiest way to break in any barrel. I even use his Throat Maintenance kit for breaking in match barrels. I used to use 3M polishing paper to lap the barrels in, which worked good but took hours to do. You will be very happy with the LRPV as they are tack drivers.