WOLTIS QD Sling Swivel with Quick Detach Push Button Constructed of High-strength Steel with a Black Finish Heavy-duty Push Button QD Sling Swivel with 1.25" Loop Quick Detach One Push Button Allows for Fast Installation & Release Fits 1"(inch) Wide Slings Attachment Allows for Free Rotation of Swivel Pin Produced Precisely for Optimal Fit with Universal Housing on Stock and Rails