While the ACS and ACSL now come standard with the Sling Mount Kit Type 3, it can be added to either the right or left side of older models for use with pushbutton QD sling swivels, Heavyduty black phosphatized steel construction easily installs with provided hardware, Swivels not included, Color: Black, Made in USA, Note: Many makes of pushbutton QD swivels will make some contact with the ACSs battery tubes, This is considered normal and acts as a limitedrotation feature, SKU: TCLGR1603