Brent
Well-Known Member
What would you recomend for a 30-40" berrel for the 300gn Sierra MK at 3000-3200fps.
A program I ran on my 416wby with a 400gn X bullet was in the 1 in 18 to 19 range and my rifle has a 14 twist and works very well.
A program I ran on my 416wby with a 400gn X bullet was in the 1 in 18 to 19 range and my rifle has a 14 twist and works very well.