JL Billet AR15 Barrel Nut/1.375"Outer Diameter Adams Arms Piston Kit Compatible
These barrel nuts are designed to be used with our handguards and are compatible with Adams Arms 5.56/.223 cal. piston kits. JL Billet rails are precision bored to 1.375" inner diameter to have an exact fit on the barrel nut.
*Does not fit LRG or 308 Rails*
