an outer gun body;

a first cluster charge holder;

a plurality of shaped charges having an open end and an apex end;

an initiating device;

wherein the first cluster charge holder comprises:

a top end, a bottom end, a housing axis extending from the center of the top and an outer surface substantially parallel to the housing axis;

a central bore extending from the top end of the first cluster charge holder along the housing axis;

a plurality of charge cavities in the charge housing arranged radially about the housing axis, each of the charge cavities extending from a shaped charge aperture in the outer surface toward an apex end proximate the central bore;

a plurality of priming holes in the charge housing connecting the central bore to the plurality of charge cavity apex ends;

a detonator circuit recessed into the first cluster charge holder, wherein the detonator circuit is electrically coupled to the initiating device; and

wherein the initiating device is inside the central bore of the first cluster charge holder and the plurality of shaped charges are inside the plurality of charge cavities; and