I just went and checked (thats two trips to the other side of the house and down the steps to the basement in two posts...whew). the 1oz load is 1150 FPS and 7400PSI the 7/8 oz is 1200 FPS and the pressure stays at 7400PSI. This is a very nice load esp the 7/8oz. In my English hammer gun the is no noticable recoil and the lifter likes it also. Very nice to shoot and will flat crush a target IF you do your job