UTG Keymod Sling Swivel Adaptor for Standard QD Sling Swivel - TL-SWKM01. UTG Innovative Keymod Sling Swivel Adaptor, Extremely Low Profile Keymod Base with Precision Machined Made in USA Keymod Nut for Tight Fit and Max Locking Strength, Accepts Standard Push Button Sling Swivel with 1/5" Diameter, Hard Anodized for Wear Resistance, Matte Black.