Strike Industries products are designed by shooting experts for the shooting sportsman. The Strike Industries AR Enhanced Castle Nut and Extended End Plate  provides both enhanced aesthetics and additional support to the receiver extension. An integral QD sling attachment point has been added for effortless manipulations in tight spaces and high stress without fear of the startling pain of a pinched hand. As an added bonus, it's also streamlines installation of the takedown detent spring and detent with a set screw and pass-through design.