PACT
A reliable shot timer is the single best training investment. Par time programming for self-paced drills.
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 PACT Club Timer III to your build and see how it enhances your platform.