Velocity 1,750 fps / 272 fpe. This load is 7.7% over SS198LF in terms of breech thrust, but still safe for continuous use in the Five-seveN. Velocity 1,878 fps / 313 fpe. This load is 15.5% over SS198LF breech thrust. Extensive shooting of this load could cause excessive wear to the take down and locking system components.