| kuduae |
| (.400 member) |
| 30/05/23 05:05 AM |
Re: which 577 cartridge in this cape gun?
|
Quote:
Interesting that the resulting velocity of the two cartridges is so different.
NfB Each with 570 gr bullet and 75 gr smokeless:
2.75 = 1650 fps
3.00 = 1900 fps
Am I reading this wrong?
That's what the ballistic tables on pages 93 - 94 of the 1925 Kynoch catalog listed.
The ballistics given in a post1923 ICI / Kynoch catalog just add to the confusion:
