This famous 'Devgru sling' is well know rifle sling on desert mission. There are many of photos shown used by Devgru, Navy Seal in their desert missions.

The quick adjustment buckle holds webbing tightly, while you can easily adjust position & length using parachute cable attached on the quick release metal buckle.

Also you can release at once by pulling the parachute. One touch secure & release system. 

All material is original military spec, even the plastic buckle is ITW original buckle, as well as original parachute cable that is used on original metal buckle.

There is very thick pad inside to spread weight.

[Ranger Green] Devgru sling