| DarylS |
| (.700 member) |
| 12/06/22 03:37 PM |
|
Re: Which cartridge to use in a shotgun conversion
|
According to AA manual, pressures for full BP load in a .45/70 with 500gr. bullets was 26,000psi, iirc.
The .45/90 w/300gr. (2.4" case) was 27,000psi.
I'm stretching here, but the .50/70 with 450gr. was under 20,000PSI. Again, IIRC.