Tier 1 Citizen shows how to apply the Tier 1 Citizen 2 Point Slings... "The Tier 1 Citizen Two Point Sling has been designed for use with any weapon that is equipped with two QD Sling Swivel attachment points. Two point slings are ideal for those instances when you have to be carrying your long gun for an extended period of time. This sling was designed to be a stand alone piece that, once its initial adjustment is set, it would never need adjusting again.

According to Tier 1 Citizen, doing such is a good idea... "When I started using the fiber-optic Trijicon RMR variants I was surprised at how effective they were at creating visible aiming dots and or triangles that were just as viable an option as battery operated RMR's.