The KZ "QAMS" Quick Adjust Modular Sling was designed be a one sling does all system. The secret is our custom made Dupont Delrin Acetal 500P buckle, combined with our proprietary mil-spec smooth 1.25-inch seatbelt type webbing, provides for fast, ultra-smooth, snag free, and positive sling adjustment. Never before has sling adjustment been so simple. No cords to pull or release tabs, just a simple straight forward pull and push quick-adjust design, to match your mission and method of carry. The combination of the QAMS sling with a variety of sling attachments and swivel options mean you name the weapon platform and this sling can be adapted to perform like no other. With the correct hardwear the QAMS sling used as a 1-point, 2-point or both. All components of the KZ "QAMS" Quick Adjust Modular Sling are 100% USA MADE.