Method of manufacturing a hollow point bullet

A method of manufacturing a bullet comprising the steps of:

• providing a roll of generally solid wire stock;
• cutting said roll of wire stock to a predetermined length, thereby to form a slug having an outer surface, a base portion and an end portion terminating in an end face;
• forming a cavity in said end portion of said slug through said end face, said cavity forming a peripheral edge along said end face;
• forming a plurality of grooves on said outer surface of said slug extending from said peripheral edge towards said base portion a predetermined distance;
• forming one of a plurality of slits through at least a portion of each of said plurality of grooves along said peripheral edge;
• and
• contouring said end portion of said slug so that said bullet has a predetermined shape;
• wherein said step of forming one of a plurality of slits through at least a portion of each of said plurality of grooves along said peripheral edge comprises the step of forming one of a plurality of projections extending into said cavity substantially adjacent corresponding ones of said slits.

A method of manufacturing a bullet comprising:

• providing a roll of generally solid wire stock;
• cutting said roll of wire stock to a predetermined length to thereby form a slug having an outer surface, a base portion and an end portion terminating in an end face;
• forming a portion of a cavity in said end portion through said end face in a first forming station, said cavity forming a peripheral edge along said end face;
• shaping said portion of cavity in a second forming station such that said cavity has truncated cone shape in said end portion;
• increasing a diameter of said base portion in a third forming station thereby forming a ridge on said outer surface between said base portion and said end portion;
• forming a plurality of grooves on said outer surface of said slug extending from said peripheral edge towards said base portion a predetermined distance in a fourth forming station;
• forming one of a plurality of slits through at least a portion of each of said plurality of grooves along said peripheral edge in said fourth forming station;
• and
• contouring said end portion of said slug so that said bullet has a predetermined shape in a fifth forming station;
• wherein said step of forming one of a plurality of slits through at least a portion of each of said plurality of grooves along said peripheral edge comprises the step of forming one of a plurality of projections extending into said cavity substantially adjacent corresponding ones of said slits.

A method of manufacturing a copper bullet comprising:

• providing a slug of generally solid copper material having an outer surface and an end portion, said end portion having a cavity therein;
• forming a plurality of grooves on said outer surface of said end portion;
• forming one of a plurality of slits through at least a portion of each of said plurality of grooves;
• and
• contouring said end portion of said slug so that said bullet has a predetermined shape;
• wherein said step of forming a plurality of grooves on said outer surface of said end portion and said step of forming one of a plurality of slits through at least a portion of each of said plurality of grooves are performed substantially simultaneously;
• and said step of forming one of a plurality of slits through at least a portion of each of said plurality of grooves comprises the step of forming one of a plurality of projections extending into said cavity substantially adjacent corresponding ones of said slits.