Look at the market today and there are countless versions of the AR15 style carbine. You can even order the components to build your own customized version. Dean Caputo, a law enforcement officer and factory armorer instructor for the AR15/M4 platform, reviews the history of the AR15 style carbine, shows the progression of the carbine's development, and then shows the viewer how to build three different versions, each with its own attributes and features. Dean also reviews accessories for your carbine and how to incorporate them into your customization or complete build. If you are in the market for a carbine or want to build your own, this is the video for you.