| pwm |
| (.300 member) |
| 04/12/04 06:10 AM |
Re: 577/450 BP Express?
|
in the 1936 Kynoch catalog: 90 grain black, 325 grain lead copper tubed give 1600 feet per sec.
44 grains cordite, 365 grains metall based solid or copper tubed gives 1425 feets per sec.