QD Tactical Sling Swivel
This sling swivel attachment has a 1" D-Loop. It has a heavy duty quick detach/release button. It's made of 100% steel material and the steel loop provides superior loadability (maximum load weight =275 lb).
Built-in high elasticity carbon steel spring. Press the button, insert the base, and it will lock. When the button is released, the steel ball is locked and firmly connected to the fitting. Press the button to release and pull the ring out.