The UDC Sling (User Determined Connection) quickly attaches to different sling adapters with a Fastex side release buckle As with all single-point slings, mount the sling to the rear of the receiver. It is not advised to connect the UDC Sling at the buttstock as this may hang the weapon too low for proper use. Strap Adapters fit through standard sling swivels, loops, or separate Sling Hardware. Sling Snap Hook Adapter: fits on weapons with HK style eyelets, SCARs, or endplates with hook loops, and comes with an elastic Hook Cover. MASH Hook Adapter: fits everything an HK Hook will fit plus smaller eyelets and AK type sling loops. Comes with an elastic Hook Cover. Push Button Swivel Adapter: Only fits weapons with Push Button Sling Swivel sockets found on receivers, end plates, stocks, or adapters. The UDC padded single point Bungee sling is a dedicated single point sling that is both fast and comfortable, sling has 2 inches inline padding for extra comfort that ends in 2-sections of bungee The bungee has a travel of approximately 2 inches, enough to absorb shock from movement or transitions but short enough to reduce the risk of facial injuries or sagging weapons The overall length is adjustable Ambidextrous Compatible with use over body armor Overall adjustment range (or circumference as worn) of 35 to 55 inches