Daniel Defense RIS II - A Brief History

[Stickman]

Daniel Defense was awarded the RIS II contract, and several changes were made to the rail system. The most obvious was losing the Front Sight Base (FSB), and going with a low profile gas block. This increased usable space on the upper rail, as well as extended the sight radius.


The DD RIS II A2 rail was originally designed as a rail for the M16A4, but found itself equally at home on a carbine. Pictured below are a few of the configurations that I ran the upper on. Its worth pointing out that the barrel shown below is on a prototype melonite barrel that is 16", and not the military carbine length of 14.5".










Below the upper is shown with some other prototype equipment, and is being worked with a MIL team on a M4 carbine lower.