RichardCranium Private Minuteman Jun 7, 2020 61 18 Columbia, Tennessee Jun 21, 2020 #1 Jun 21, 2020 #1 I have a Bergara HMR. 308 with a 1:10 twist 20" barrel and have read that for that twist rate a 175gr bullet is best but have been loading 168gr. Is it really that much of a difference?
I have a Bergara HMR. 308 with a 1:10 twist 20" barrel and have read that for that twist rate a 175gr bullet is best but have been loading 168gr. Is it really that much of a difference?
Supersubes Heathen Full Member Minuteman Supporter Sep 6, 2006 9,274 11,498 Eastern Sierra Jun 21, 2020 #2 Jun 21, 2020 #2 Nope. A 10 twist would be fine from light bullets up through around 200 grains.
Dogtown Ke = (mv^2)/2 Full Member Minuteman Supporter Jun 21, 2007 7,450 5,407 CONUS Jun 22, 2020 #3 Jun 22, 2020 #3 Yup, what he said.
