rigbymauser
(.400 member)
20/10/18 08:03 PM
Re: Macnaughton 577-500 No.2 bpe Double Rifle
Normally a .500cal before 1887 would have been marked `38` for the bore. The Macnaughton is marked `40`.?..
Maybe it is a true fortybore?. Cast a .488"cal bullet+ paperpatching = .500"..