The Midwest Industries Upper Receiver Action Rod for .308 (MI part no. MI-308URR) is a purpose-built barrel nut and muzzle device install tool for LR308 and AR-10 platform rifles, letting a builder torque or remove a stubborn barrel nut without marring the upper receiver. Machined from 4140 ordnance-grade steel and finished in durable black oxide, this rod is compatible with forged and billet LR308 and AR-10 upper receivers and drops into a bench vise either horizontally or vertically for whatever setup the bench allows.

Key Specifications

• Machined from 4140 ordnance-grade steel gives the rod the strength to break loose seized barrel nuts without bending.
• Durable black oxide finish resists corrosion through years of shop use.
• Compatible with forged and billet LR308/AR-10 uppers covers the vast majority of .308 AR-pattern receivers on the market.
• Will not mar or damage the upper receiver exterior protects a finished build’s finish during barrel nut installs and removals.
• Designed for muzzle device installs without damaging the index pin keeps the timing pin intact during muzzle device work.
• Receiver-mounted sights can stay installed saves the extra step of removing sights before using the tool.
• Installs horizontally or vertically in a bench vise adapts to whatever vise setup the bench allows.
• Also works for forward assist and port door cover installs extends the rod’s usefulness beyond barrel nut work alone.
• 100% Made in USA confirms domestic manufacturing and quality control.
• Not compatible with DPMS G2 308 flags the one common .308 pattern this tool does not fit.

Frequently Asked Questions

What rifles does this action rod fit? Forged and billet LR308 and AR-10 upper receivers; it is not compatible with the DPMS G2 308 pattern.

Will it damage my upper receiver’s finish? No, it is designed specifically to not mar or damage the exterior of the upper receiver during use.

Can I use it for muzzle device installs, not just barrel nuts? Yes, it is also designed for muzzle device installs and will not damage the index pin.

Buy the Midwest Industries .308 Upper Receiver Action Rod

Get barrel nuts and muzzle devices torqued right without marking up your build. Order through Midwest Industries‘s gunsmithing tools and supplies lineup for fast shipping from our Lubbock, Texas gun shop.