You can get the speed up to around 900 fps using AA#7 powder. The manufacture has load data on line. Recoil will be heavier then what you normally would get firing factory range ammo. I have not been able to get 700X to reliably work in powder measures. I had to hand weight each load to make sure it was right. When done that way 700X was accurate but I feel it takes too much time to use it. It did work great for 12 guage skeet loads.
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