Panteao Productions The AR15 Rifle and Carbine NRA Instructional DVD. With the help of Kyle Harth this video will bring you up to speed on the design. Kyle is a veteran of the US Army Special Forces and served multiple combat tours and deployed globally in operational instructional and advisory capacities. In this video Kyle reviews the history of the AR15 platform breaks down the overall function of the rifle barrel lengths and twist rates the differences between direct gas impingement and piston systems choices in calibers the many accessories on the market and maintenance. If you are new to the AR15 and want to know more about the design and its features this video is for you. If you already own an AR and want to see what other options are out there look no further. Specifications for Panteao Productions The AR15 Rifle and Carbine - NRA Instructional DVD: Manufacturer: Panteao Productions Application: Tactical General Application: Tactical Package Contents: Panteao Productions The AR15 Rifle and Carbine-NRA Instuctional DVD Panteao Productions BVPD006: The AR15 Rifle and Carbine NRA Instructional DVD