Designed specifically for the SIG SAUER MCX. This bag is constructed of high grade nylon and contains molle attachment points, as well as velcro. The internal padded divider also has pockets for storage and is also removable.
This bag would also work well for just about any 16" M4 / AR15 as well as MPX. Check out or detailed overview video below including dimensions. You can measure your firearm to make sure it will fit.