Reloading a .308Win with 150g Hornady Interlock ST and Hodgdon Varget.
The hornady manual states 35.9g to 44.9g of varget powder.
The Hodgdon datasheet for a 150g BT bullet 44.0g to 47g.
while the Interlock bullet is not a BT I am surprised at the weight of powder difference. This is not the...