240 sierra mk

240 mk

I shot them for years in a 300 wby with a 10 twist with no trouble.
 
I shot them in a Weatherby IMP. in a 10 twist and had no trouble. Matt
 
what weatherby cartridge did you use and what bullet speed did you achive
I am gathering parts for a heavy gun for long range
 
It was basically a 300 Weatherby Improved. We used 340 brass and necked down so you could turn them better. Acuuracy wise they shot best at 2750 to 2800 depending on barrel. Matt
 
You must log in or register to reply here.
Back
Top