American Gunsmithing Institute (AGI) Technical Manual & Armorer’s Course Video “AR-15 Rifles” DVD

American Gunsmithing Institute (AGI) Technical Manual & Armorer’s Course Video “AR-15 Rifles” DVD

American Gunsmithing Institute (AGI) Technical Manual & Armorer’s Course Video “AR-15 Rifles” DVD. American Gunsmithing Institute Technical Manual & Armorer’s Course Video “AR-15 Rifles” helps you understand step-by-step how the AR-15 and clones function, including how the unique gas system works. In this video hosted by Robert Dunlapyou will learn everything you need to know including complete assembly and disassembly, lubrication, maintenance, feeding, trouble shooting, solutions and repairs are all shown in detail.