hossdaniels
Member
I'm not sure if I can get an answer to my question, but here goes. I dont have a chrony, so I would like an approx answer. I have a savage muzzleloader that I shoot 43g of imr 4759 in. The max load is 45g. What kind of velocity increase should I expect from a one to two grain increase in powder? I beleive I should be around 2150-2200 fps with a 300g bullet.