Quote Originally Posted by CharlieNC View Post
A little less than 42gr of 4064 is a proven load for 165 to 178 bullets. With 41.7 pushing 178 Amax in my 20inch barrel it shoots 1000yd steel effectively.
Proven or proven for you? Im asking because I got six inches on your barrel but I don't know if that makes a difference. I know short barrels are usually just as accurate as long, but harmonics are different