marks
05-16-2007, 01:25 AM
I presently use 7mmWSM for Thar, Chamois, red deer, horses and cattle shooting and find this load works like a sledgehammer even on big animals.
140 grain sierra pointed lead top with Magnum primer and 66grains 2213SC ( 4831) equivalent. Tried 2209 (4350) but didn't group as well - note less powder for this one.
On Thar shoot 500 meters fairly regularly so want to get a bit more velocity if possible. Anyone tried any higher loadings with 4831.
Use a browning BAR same as when shooting as Government culler back in 1979/80. It is lethal and groups 1/2 inch at 100 meters with 5 shots for 7mmWSM kicks more than .243 I had in 1979 but only to left not up.
Have loaded some 100 grain sierra hollow at 70 grains 2209 ( 4350) again very tight group, less recoil and ok on smaller of animals.
No signs of excess pressure but keen to know if pressures jumps rapidly with small powder changes 0.2 grain increases??
Regards MSK
140 grain sierra pointed lead top with Magnum primer and 66grains 2213SC ( 4831) equivalent. Tried 2209 (4350) but didn't group as well - note less powder for this one.
On Thar shoot 500 meters fairly regularly so want to get a bit more velocity if possible. Anyone tried any higher loadings with 4831.
Use a browning BAR same as when shooting as Government culler back in 1979/80. It is lethal and groups 1/2 inch at 100 meters with 5 shots for 7mmWSM kicks more than .243 I had in 1979 but only to left not up.
Have loaded some 100 grain sierra hollow at 70 grains 2209 ( 4350) again very tight group, less recoil and ok on smaller of animals.
No signs of excess pressure but keen to know if pressures jumps rapidly with small powder changes 0.2 grain increases??
Regards MSK