Heavy-duty loop sling swivel made from durable stainless steel fits QD swivel receptacles on the Vltor Modstock or other accessories. Features a 1A 1/4" loop to accept a variety of standard tactical sling types. Easy operating push-button allows quick attachment and release. Mfg: Vltor Weapon Systems SPECS: Stainless steel, matte black finish. Accepts slings up to 1A 1/4" wide. Fits quick-detach swivel receptacles on accessories from Vltor, Magpul, LMT, KAC, Midwest Industries, Daniel Defense, GG&G, Uncle Mikes, and others.