He recommends lapping a barrel once a year???? I would have to disagree with that very strongly. Lapping a barrel removes metal from the inside of the bore. While there are occasions where lapping is maybe a last resort or a way to smooth out a real ruff bore, why would someone intentionally want to wear out the rifling of a barrel that shoots good?

Instead of lapping get some J-B Bore Paste and use that in the barrel. First put some oil on a clean patch and oil the bore. Then take a patch with J-B Bore paste and start to stroke the barrel in as long a strokes as you can without getting the patch stuck. Give the barrel 50 strokes and then clean the barrel in a hot water bath. This paste will pull all the impurities out of the rifling and bore and make the barrel shine, without removing metal from the barrel.

After using bore paste be sure and clean the rifle good and put a good coat of oil in the bore since you took it back to bare metal..