1680D Polyester Accents Comfortable Foam Padded Strap Adjustable Sliders Provide a Comfortable Fit When you need a durable gun sling that won't fail, the Evolution Tactical Rifle Sling is the way to go. It's equipped with push button QD sling swivels and the QD D-Ring converts from a single point to dual point attachment. With a 45 inch length and 1.25 inch nylon webbing construction, this rifle sling also has adjustable sliders to provide an extremely comfortable fit.