Thread: Powder Question

Originally Posted by Toby

I see on that chart it has AR2209 44gr using 140gr projectiles going 2620. Is that alright for my gun because I want to use 140s and that powder can be used for the .300wsm 65.5gr going 3050fps using 168gr. Does that seem ok to try first or not?

if you know the twist rate of your barrel, the length of your barrel and your muzzle velocity go to the site and run the numbers JBM