Ambidextrous sling mount for the Gen 2.1 KRISS Vector. Designed to sit between the upper housing and an AR carbine buffer tube's castle nut. It also replaces the cosmetic ring used with the Gen 2.1 Ambidextrous Side Folding Stock or the Gen 2.1 Ambidextrous Side Folding Adapter.
Accepts snap hook-style sling attachments.