Midwest Industries Inc Upper Receiver Rod, Midwest Mi-urr Mi Upper Recv Rod

This upper receiver rod works with any standard m4/m16 barrel extension and is excellent for removing stubborn/seized barrel nuts without damaging the upper.It is designed for muzzle device installs and can be used to install forward assist/port door covers.It can be installed horizontally or vertically in a bench vise.Made in the usa.Not compatible with 9mm/rimfire barrels, dpms g2 308, sig mcx virtus/rattler.