CDI/Tekton
Foot-pound torque wrench for barrel nuts and castle nuts. Essential for upper receiver assembly.
Wheeler
Wheeler F.A.T. Stix Torque Wrench Set
Fix It Sticks
Fix It Sticks Torque Kit
Wheeler FAT Wrench
Magpul
Magpul Armorer's Wrench
Add the CDI / Tekton Torque Wrench (ft-lb) to your build and see how it enhances your platform.