Fix It Sticks AR-15 Castle Nut Wrench

Quickly tighten or remove your AR-15’s castle nut with the durable Fix It Sticks® AR-15 Castle Nut Wrench. Constructed of solid bar stock steel, this castle nut wrench is a custom-designed bit, engineered for quick, reliable performance with any A4 castle nut. This bit is compatible with the Fix It Sticks T-Way handle (not included), as well as any standard ¼” bit driver (not included). Plus, the corrosion-resistant black Isonite® finish delivers superior strength for long-lasting performance.