Originally Posted By: David Zincavage
I'm told that that cerrosafe casting compound changes measurements, too, after it sits cold for a while. I thought that might be why my own measurements were different from the gunsmith's.

The other rifle needing casting is the Neidner-Sukalle (discused above) which I bought on Gun Broker, and which has not yet arrived.

http://www.gunbroker.com/Auction/ViewItem.aspx?Item=450133917



Cerrosafe shrinks right after the casting. It then grows at a specific rate and one hour after the cast it is at the actual size of the chamber.

Member American Custom Gunmakers Guild