sentences:  The nature of the gun and ammunition led to it being wildly inaccurate outside of point-blank range.To add further confusion and throw possible suspicion away from the assassin, the barrel rifling was designed to affect the bullet in such a way that ballistics experts would not only conclude that the round was fired from an AK-47, but that the round was fired from several hundred feet away.Due to the politically devastating nature inherent in this design, the S4M was kept highly secret.