I bought a 457406 from Doug. A nice mold , thanks Doug !
I have a Knight KP-1 , 45 /70 single shot.
I put my Burris 1.5 X 6 Variable on the rifle. Just about ideal in my opinion :
I'd like to shoot this 503 gr. Lyman g/c bullet at around 1350 fps. with modern powders, I'm not interested in " Black ".
I found this data....It might be a good place to start ;
530 Lyman roundnose Accurate XMP-5744 28.5 grs. 1,280 fps
You tell me what propellant and how much of it should be behind this g/c 503 gr. bullet to achieve about 1,300 - 1,350 fps.
I'm Lucky....I'm getting a full .460 " on all the bands.