2 VCAS slings.. what's the difference?

What is the difference between these two VCAS slings?

http://www.bravocompanyusa.com/BlueForce-GeAR-Vickers-AA-Combat-Application-Sling-p/vcas-200%20aa-bk.htm

http://www.bravocompanyusa.com/Blue-Force-Gear-Vickers-Combat-Applications-Sling-p/vcas-200-bk.htm

Thanks

The AA uses a quick adjuster made of a different material, which is still strong, but saves on cost.