nstassel
NES Member
I've been struggling to work up a uspsa load with Clays. I have some 230 plated and coated bullets from Xtreme and Ibejiheads. I need 717 fps to make power. The load data says max of 4 grains. Now I am loading a bit long for my two 1911s, 1.27 rather than the specified 1.2. But even at 4.1 grains I'm only hitting 700 fps. Factory data suggests at 4 grains i should be at 793. Could being .07 over the spec length reduce pressure that much to affect velocity? Pics for interest.