TackDriver284
Handloader
- Feb 13, 2016
- 2,314
- 1,560
Do old powder cause big extreme spreads? Tried the old IMR7828 in the can for my 7 Mag and 160 Accubonds and ES is awful and jumping back and forth between 20 to 100 fps. Checked the color of the powder and it looks normal. All my brass is prepped properly and annealed.