AR-15/M16 Armorer Wrench
Constructed of Steel with a Durable Outer Coating for corrosion resistance
Compatible with most M16, M4, and AR variant rifles
If you gunsmith your AR15 this is a must have tool
It enables every operation necessary to completely break down your AR15 to parts or to build an AR from the ground up.
Updated Gen 2 Armorer's Wrench can be found here: https://www.surplusprovisions.com/products/tarw2