I shot a few .45 loads Today and was surprised with the velocity. At 15 feet, I got an average of 1,050 fps. 230 gr. Lee TC cast , with 10.5 gr. AA7. Shot from 5" 1911. I shot some awhile back that did average 940 fps, with 10.0 gr. AA7, and same bullet. Seems like a substantial jump.