Magpul Industries GI Sling Swivel Attachment Point, Black Finish, Fits AR Rifles With M-LOK Section MAG809-BLK The M-LOK GI Sling Swivel is a traditional sling swivel loop for M-LOK compatible systems. Its base is machined from Mil-Spec anodized aluminum and utilizes a coated steel loop" which accepts up to 1-1/4" webbing. With its compact and low profile design" it provides a minimal footprint" creating more hand guard real estate. Like any other Magpul M-LOK accessory" the M-LOK GI Sling Swivel features recoil / impact mitigation lugs and cammed T-Nuts for proper M-LOK engagement. Made in the USA.