KAC has a nice five minute video out explaining a few of their weapons, and going into detail about their enhanced bolt. Grab yourself another cup of coffee, and check it out. [youtube]http ...

The most interesting changes on the SR-15 are found in it’s “E3 Enhanced ... features KAC’s URX rail. While the first two versions of the URX were standard quadrails, the URX 3.0 featured ...