The Wheeler Delta Series XL F.A.T. Wrench Mil‑Spec Crowfoot Set is a professional toolkit for assembling and maintaining mil‑spec AR‑15 and LR‑308 platforms. The kit centers on a ratcheting torque wrench that adjusts from 10–150 ft‑lbs and three dual‑ended crowfoot wrenches tailored for common assembly tasks. All tools are hardened steel and ship in a latching hard‑sided case for organization and transport.
Key Specifications
- The ratcheting torque wrench adjusts from 10-150 ft-lbs to handle high-torque installation tasks.
- The kit includes 3 multi-function dual-ended crowfoot wrenches.
- Those crowfoot wrenches perform 8 distinct functions across their dual ends.
- The crowfoot wrenches are made from professional-grade hardened steel to resist bending under load.
- Set includes an XL F.A.T. Wrench designed for AR-15/LR-308 assembly.
- Includes a dedicated AR-15/LR-308 Mil-Spec Barrel Nut Crowfoot Wrench for proper barrel nut installation.
- Includes a 5/8" – 3/4" buffer tube / muzzle device crowfoot wrench for common sizes.
- Includes a Castle Nut Crowfoot Wrench for castle nut and endplate work.
- Tools are organized in a latching hard-sided case for protection and storage.
- Product finish is Black.
Built to deliver repeatable torque and withstand workshop use, the Wheeler Delta Series kit streamlines AR‑15 and LR‑308 builds and maintenance. Its hardened crowfoots and wide torque range reduce reliance on improvised methods and make torque‑critical tasks faster, more consistent, and better suited to professional and DIY gunsmithing needs.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




