The Blue Stone Tactical AR15/ M16 Rifle Sling M16SL-01 secures to the side of an AR-15/ or M16 with a fixed rifle buttstock for enhanced freedom of movement without tangles or twisting. This Gun Sling from Blue Stone Safety allows the weapon to hang in a vertical orientation when carried in the "Military Patrol Ready" position. The Blue Stone AR15, M16 Tactical Rifle Sling features a quick-release buckle for emergency disengagement that lets you instantly move into an unconventional shooting position without removing the body loop. Spring loaded, self-locking rapid-adjust buckle has an easy-to grasp nylon webbing pull for fast, one-handed sling length changes. Hook-and-loop straps on the Blue Stone Tactical Sling for AR15 and M16 provide a tight hold around buttstock and forend, using the front sling swivel on the gas block for added security. Composed of two, separate sections of nylon webbing; .75in wide forearm end, including rapid adjust buckle, and a .5in wide main strap for amazing weight distribution during all-day carry.