The BCM gunfighter AR-15 QD Sling Swivel features a contoured design for easy one handed operation. The Swivel is made from 416 stainless steel and is ideal for anytime of Maritime, or Land Operation. The bail is made from 302 Stainless steel and 4 chrome stainless steel ball bearings. The Swivel will accept up to 1-1/4 sling. Like all BCM products it is made right here in the USA. Pick one up today for your next build.