LaRue Barrel Nut for 5.56 OBR & PredatAR

LaRue Barrel Nut for 5.56/6.5 Grendel

This is the same OEM barrel nut compatible with PredatOBR, MGU and OBR rifles. The surface modeling is a normal effect of the heat treating process.

Looking for a compatible wrench, use the LT 558x17