Originally Posted by
wildphilhickup
"primed aluminum cases from RMR. The cases are from Federal demilled ammo."
These are "NEW" casings. These were never "fired".
Ammo was manufactured by FEDERAL and sold to RMR. RMR de-milled the ammo and sold the casings and bullets.
I respectfully disagree. There is no data to support this statement. =>
"If the aluminum cases have a different case capacity than brass then it could cause an over pressure. Try comparing their case capacities. A few grains difference in a small 9mm case can have a big difference in pressure."
My load is 3.8 grains Titegroup. These chrono close to 1,000 fps. (124 gr , 0.355" , cast RN)
Hodgdon states 3.6 g @ 957 @ 27,700 to 4.1 g @ 1,057 fps @ 32,700 psi. (124 g , 0.356" , Plated Bullet)