The AR15/M16 Diagnostics & Armorer's Course will give you a detailed understanding of the AR15 rifle and all its variants including the M4 and M16. The course covers design, model variations, disassembly, assembly, lubrication, parts fitting, maintenance, and troubleshooting. After-market parts and modifications are reviewed. Dean Caputo, a law enforcement officer and factory armorer instructor for the AR15/M16 platform, will teach you how to keep your AR15 running properly and how to do limited custom work on your rifle.