bluetopper
Member
I have a brand new 22-250 with a 26" barrel and I've been load developing with several different powders I already had on hand that were supposed to be very good powders for the caliber. Common powders that are also commonly used in 223 caliber, we know them well. I have not been happy with groups and was very discouraged as my groupings were 1-2" at 100yds and I've been expecting one ragged hole groups. Then I got hold of some IMR-4320 from a friend to try and wala, one ragged hole it is. It seems my rifle likes slow for caliber powders, too slow for 223. Next to try for me is H380 and Win 760. Reloading is never ending learning process.