Manufacturer: ProMag PM131
ProMag, AR15, Rail Mount, Sling Swivel, Picatinny, Black.
The Picatinny rail sling swivel allows the use of standard and tactical slings on weapons with Picatinny rail systems. The swivel may be attached to any point on the weapon where a rail is present. Constructed of black hard anodized aircraft grade aluminum with a standard military sling swivel. All mounting hardware included.