Abstract: A broadhead arrow having an arrowhead body with a threaded proximal end and a pointed distal end, a circumferential receptacle that is situated between the proximal and distal ends of the arrowhead body and configured to receive a retention ring, a plurality of blades, each blade having a serrated outer edge and a razor sharp inner edge, and a tapered shaft that extends from a center of the retention ring to the pointed distal end. Each blade is rotatably attached to the retention ring and has a trigger arm that is located at a base of the blade. The shaft has a plurality of longitudinally extending slots configured to receive the inner edges of the blades. The receptacle has a number of longitudinally extending slots that are configured to allow the blades to rotate outwardly on the retention ring.