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Methods of manufacturing a bullet

  • US 5,131,123 A
  • Filed: 06/29/1989
  • Issued: 07/21/1992
  • Est. Priority Date: 06/29/1989
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a bullet comprising the steps of providing a slug of generally solid material having an end portion terminating in an end face, applying an impact extrusion force against the end face of sufficient magnitude to form an axially outwardly opening cavity therein in part defined by a generally undulating peripheral edge, and contouring the end portion to impart a generally convex curvature thereto while constricting the peripheral edge.

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