Loading some 45/70 BP

Catching up for the xmas shoot, 45/70 loading with 63 grains FFG beer card wad, bees wax cookie, beer card wad,500 grain pure lead projectile sized to .451. Bang it from my 1971 Harrington and Richardson replica Trapdoor.
Attachment 31436Attachment 31437 38/55 brass ready for reloadingAttachment 31438 500 BPE for xmas funAttachment 3144024gauge brass for my combination gun, with be loaded with a .577 cal projectile.Attachment 31441

Can we see the combination gun? what barrels?

Two! Left and right!:thumbsup:

The calibers are?

You cheeky bastard! :D

LH is a 24 gauge x 3" shotgun barrel with straight rifling, the RH is 24 gauge or .577 cal x 2-1/2" with twist rifling.