Complete assembly and buildup details for the XM15/AR15/M16 rifle. This live, 60 minute, digitally photographed DVD will help you understand the complete Bushmaster system in extensive step by step detail. Our Armorer describes the tools needed for every operation, shows the details of all subassemblies, and demonstrates function checks - all in sharp, digital close-ups. A brief history of the rifle's development is included, along with an overview of the wide variety of customizing parts and accessories available. Safety rules, and armorer's assembly tips from our 40 years of knowledge and experience with the AR15 rifle system will walk you safely through any maintenance or repair work.