Uncle Mike's quick detach super swivels are a strong set of swivels that Lighten the load when you're carrying heavy assault rifles and Shotguns. Uncle Mike has outfitted each of these nickel plated swivels with the powerful tri-lock system, which prevents the swivel from accidentally opening when you least expect it. These swivels by Uncle Mike's also include a quick detach feature so you can remove the swivel in tight spaces or for Stealth. Uncle Mike's tri-lock super swivels are nickel plated and fit snugly on most firearms.