Folks I had a senior moment, sorry about that. I was figuring for taking .010 from the diameter so the .735 (Midpoint of metal removed) should have been multiplied by .005" rather than .010". Thus actual weight removed would be only half what I said or about 2.35oz. My figures were for removing .010 per side or .020 " from the bore diameter. These "New" figures are very close to what you remember Jon.
Thus with just the bore enlargement of .010" you are looking at closer to 1/8 lb rather than Ľ lb. While I am not in grouse country I did on one occasion do some very good shooting on quail & some woodcock with a 12ga J P Clabrough with 28" damascus barrels @ a weight of 6 lb 14 oz.Balance of the gun & fit just seemed to be perfect for me & it didn't feel that heavy. I was however a bit more physically fit at the time than at present.
