Terry Syd
Addicted to ArboristSite
45/70
The 45/70 is the cartridge that has a loading table for virtually any powder that exists. A 425 grain cast load (bore riding nose) with 57.5 grns of W748 will handle anything in Oz with authority. Although my favourite load was a 400 grn cast load with 29 grns of IMR 2207 - subsonic and accurate. For smaller game, to maximise the energy transfer of those high momentum slugs, cast the bullets with a cigarette paper clamped in the forward 1/3 of the mould.
To cut the fouling down with black powder, try duplexing the black powder with some 4759. I used 7 grns of 4759 behind 70 grns of FFg in my Snider-Enfield and cut the fouling down by about half. It doesn't take much, but watch for pressure.
The 45/70 is the cartridge that has a loading table for virtually any powder that exists. A 425 grain cast load (bore riding nose) with 57.5 grns of W748 will handle anything in Oz with authority. Although my favourite load was a 400 grn cast load with 29 grns of IMR 2207 - subsonic and accurate. For smaller game, to maximise the energy transfer of those high momentum slugs, cast the bullets with a cigarette paper clamped in the forward 1/3 of the mould.
To cut the fouling down with black powder, try duplexing the black powder with some 4759. I used 7 grns of 4759 behind 70 grns of FFg in my Snider-Enfield and cut the fouling down by about half. It doesn't take much, but watch for pressure.