Broadhead arrow

A broadhead arrow comprising:

• (a) an arrowhead body with a threaded proximal end and a pointed distal end;
• (b) a circumferential receptacle that is situated between the proximal and distal ends of the arrowhead body and configured to receive a retention ring;
• (c) a plurality of blades, each blade having a serrated outer edge and a razor sharp inner edge;
• and
• (d) a tapered shaft that extends from a center of the retention ring to the pointed distal end;
• wherein each blade is rotatably attached to the retention ring;
• wherein each blade comprises a trigger arm that is located at a base of the blade;
• wherein the shaft comprises a plurality of longitudinally extending slots configured to receive the inner edges of the blades;
• and
• wherein the receptacle comprises a number of longitudinally extending slots that are configured to allow the blades to rotate outwardly on the retention ring.