Quote Originally Posted by Waylander View Post
Even Hodgdon lists 124 XTP with 7.4 grains of #7 out of a 4 inch barrel at 1144 fps. I’m not sure why you’re splitting hairs over this.
Western Powders lists the 124 XTP in 9mm at 7.3 grains of AA#7 at (their max for regular 9mm loads) 1150fps / 34750psi. Sadly their 9mm+p data does not show that particular bullet with AA#7. The Speer GD in that weight they show going up to 7.9 grains in the +p data with that powder so I would guess you have a little room to play with here if your firearm is able to fire +p 9mm rounds safely.


They do not specify barrel length or firearm used for testing.