The Midwest Industries® Upper Receiver Rod is a dependable upper receiver tool designed to make your rifle builds and routine maintenance easy. Machined from 4140 Ordnance-grade steel with a corrosion-resistant black oxide finish, this upper receiver rod is designed for years of reliable use. Plus, this upper receiver rod can be used to install the forward assist and port door cover and is designed for muzzle device installations as well without damaging the index pin. The ultimate tool for barrel nut installations, this upper receiver rod is perfect for removing stubborn or seized barrel nuts without damaging your rifle’s upper receiver. Even better, this upper receiver rod is backed by a lifetime warranty from Midwest Industries. Compatible with billet and forged upper receivers. Not compatible with 9mm and rimfire barrels, DPMS G2 .308, Sig Sauer® MCX, MCX Virtus, or MCX Rattler. Order today! Made in USA.