Greetings!
I've been interested in this Bullet Mould; looks like a good one! I size all of my .45 Colt / .45 S&W bullets to
.454", and cast them using "Range Scrap", generally 10BHN / no harder than 14BHN.
Is "C.O.W." cream of wheat? Have You tried .45S&W / .45 Colt Govt length brass? It will allow You to use lighter
charges of BP. So far, I've had very good results ( with Smokeless ) in my A. Uberti Old Model S&W American, .45
5"bbl. and a Colt's New Service.
M.T.M.