took my Tack Driver out to test some new handloads out.
they are:
.300 Win Mag
180 Grain Match Kings
73 grains of H4831
case length 2.6195
OAL 3.410
Muzzle Velocity 2950
and
.300 Win Mag
180 grain Game Kings
72 grains H4831
case length 2.6195
OAL 3.390
Muzzle Velocity 2920
Rifle:
100...
Hey guys, is anyone running H4831 in a .45-70 Marlin 1895 Cowboy?
i have load data for IMR 3031 but wanted to know if anyone runs H4831. i've been told by a lot of .45-70 shooters that the longer barrel Cowboy likes a slower burning powder.