Patent ID: 9719762
Date: 2017-08-01
CPC Classifications: F42B

Claim:
1. An improved bullet comprising: a dual tangent blend radius disposed between a first tangent thereof intersecting a shank of the bullet and a second tangent thereof intersecting one of a cone ogive and a boattail of the bullet; a first curve segment on a base of the bullet, the first curve segment comprising a convex center point within a base profile of the bullet and forms an annular ridge therein; a second curve segment on the base of the bullet, the second curve segment comprising a concave center point outside the base profile of the bullet and forms an annular trough therein, wherein the first curve segment and the second curve segment form an ‘S’ shaped cross-section on the bullet base configured to extend an effective flight range and a Coanda effect there around reducing air turbulence and drag on the bullet in flight; and a plateau center portion of the base of the bullet lies in a plane intersecting the center points of the curved segments and orthogonal to a central axis of the bullet.