Patent ID: 6973879
Filing Date: 2005-12-13
Classification: F42B

Abstract:
1. An axisymmetric projectile 20 consisting of a unitary core 22 and an encapsulating metal jacket 21 ; said jacket is securely bonded to said core by a process selected from the set of processes consisting of electroplating, electroless plating, and mechanical plating; said unitary core is made from case hardened steel 23 ; said projectile having an aft boat tail cross section 26 ; said projectile having a cylindrical cross section forward of said aft boat tail; said projectile having a cannelure groove 25 ; said projectile having an ogival cross section forward of said cannelure groove; said projectile having a sharp pointed nose 24 ; said projectile having an external length and an external diameter; said external length divided by said external diameter is a ratio greater than or equal to 4.5; the combination therewith of a projectile having a gyroscopic stability factor less than or equal to 2.5; the combination therewith of a projectile that does not break upon impact with external body armor and subsequent soft target penetration; the combination therewith of a projectile having a yaw-of-repose angle while penetrating soft targets substantially equal to 90 degrees for substantially more than a brief moment in time.