A 2-point sling from Mission Spec promises to give better rifle handling and reaction time. It's now available at their online store for US$43.95 with the Coyote Brown version coming  soon... "The Mission Spec Two Point Sling (M2P) is an adaptive 2-Point sling for Law Enforcement and Military Operations designed for open field operations and close quarters encounters. The M2P features the fully functioning Rapid Cinch function that was made popular by the Mission Spec IAS. The M2P is Berry Compliant and built on a 1.5in 17337 Nylon Design with a 2in Closed Cell Foam Pad to help distribute the weight of your weapon.