The Odin Works 1-3/8″ Crowfoot Barrel Nut Wrench for .308 KeyMod Forends (brand part no. ACC138CROWFOOT308) is a 1/2″ drive jumbo crowfoot wrench built specifically for installing Odin Works’ .308 KeyMod forend. It’s sized to torque the barrel nut to the correct 40-50 ft-lbs specification, giving builders a precise, repeatable way to seat the nut without guesswork. Machined from steel for long-term durability on the bench, this wrench is a must-have for anyone assembling or servicing an Odin Works .308-pattern rifle build. Note that it is not compatible with the Odin Works AR15 KeyMod forend barrel nut, which uses a different size.

Key Specifications

• Sized as a 1-3/8-inch crowfoot wrench, matching the Odin Works .308 KeyMod barrel nut exactly.
• Uses a 1/2-inch drive, compatible with standard torque wrenches for precise, repeatable installs.
• Built from steel for durability under repeated high-torque use.
• Rated for torquing the barrel nut to 40-50 ft-lbs, the specified installation torque range.
• Measures 4.15 inches long, giving enough reach for clean access during assembly.

Frequently Asked Questions

Does this wrench work on AR15 KeyMod forends? No — it’s sized specifically for the Odin Works .308 KeyMod forend barrel nut and is not compatible with the AR15 version.

What torque should I apply with this wrench? Odin Works specifies 40-50 ft-lbs for proper barrel nut installation on their .308 KeyMod forend.

Pair this Odin Works crowfoot wrench with your next gunsmithing tools order for a proper .308 KeyMod install. Note: this item cannot ship to California addresses.

Buy the Odin Works 1-3/8″ Crowfoot Barrel Nut Wrench for .308 KeyMod Forends

Getting a barrel nut torqued correctly matters for accuracy and long-term reliability, and guessing with the wrong tool risks stripping threads or leaving the nut loose. This purpose-built crowfoot wrench takes the guesswork out of an Odin Works .308 KeyMod install, hitting the exact torque spec every time. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your door (excluding California).