| kuduae |
| (.400 member) |
| 29/05/23 09:19 PM |
Re: which 577 cartridge in this cape gun?
|
Quote:
And I was going to say normally the 3" uses a 750 gr and the 2 3/4" a 650 gr and am instantly proven wrong.
The 1925 Kynoch loads for the two .577 Express case lengths:
2 ¾”:
Nitro Express load: 90 gr smokeless, 750 gr jacketed bullet for 1795 fps ( 28” barrel)
Nitro for Black load: 75 gr smokeless, 570 gr metal based lead bullet for 1650 fps
Black P loads: 160 gr BP, 520 copper tubed or 560 gr solid lead bullet for 1725 / 1650 fps
3”:
Nitro Express load: 100 gr smokeless, 750 gr jacketed for 2050 fps
Nitro for Black loads: 75 gr smokeless, 570 gr or 650 gr solid or copper tubed metal based lead bullet for 1900 / 1850 fps
Black P loads: 167 gr black, 570 or 610 gr lead bullets for 1725 / 1650 fps