The 
NUPROL One Point Bungee Sling
 in green (often referred to as Olive Drab or OD Green) is a popular single-point sling designed for airsoft use, featuring bungee sections for flexibility and quick-release mechanisms. 
 
Key Features
Design: Single-point configuration allows for quick transitions between primary and secondary weapons and easy shoulder switching in close-quarters battle (CQB) environments.
Material: Constructed from heavy-duty 1000D Cordura Nylon for durability.
Bungee Section: An integrated bungee loop absorbs shock and helps take the force out of the weapon when it is dropped, reducing stress on the user's shoulders.
Attachment: Attaches to the rifle via a robust metal clip/clasp, which often has an elastic fabric cover to protect it and minimize noise.
Quick Release: Features multiple quick-release buckles (usually three) on the sling itself, allowing for rapid detachment of the weapon or removal of the entire sling in an emergency.
Adjustability: Fully adjustable to fit a wide range of body sizes and compatible with bulky tactical gear or body armor.
Color: Available in various colors, including Black, Tan, and the specified Green/Olive Drab.