Hard anodized, 6061 aluminum sling adapter clamps to collapsible stock buffer tubes with no need for special tools or to remove the buffer tube. Two models available: Loop for claw-type clasp. Adapters can be used with single-point, two-point, or three-point tactical slings and are ambidextrous for use with right- or left-hand operation. Does not interfere with normal operation of collapsible stock. Mfg: Midwest Industries SPECS: 6061 aluminum, hard anodized, matte black. Fits 4-6 position collapsible stocks. No gunsmithing required.