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Mfg Item #: MIURR
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.
