I had these folks recommended over at the double gun site and had them rebuild one of the hammers on my drilling. They did a beautiful job of rebuilding the rifle stiking face on the hammer and tightening it on the shaft(hammer was loose)you can't tell there was ever any work done on it.

http://mastergunmakers.com/contact/

After the first shot the rest are just noise.

Make mine a Minaska

Heaven has walls and rules, H-ll has open borders