Description
Back in stock.
Colt M4 Sling Swivel Kit: M16A2, M16A3, M16A4, M4, M4A1
Originally developed for use with the M203 Grenade Launcher, this military side-mounting sling adapter (kit) will fit onto any barrel with a 0.750 front sight base.
The swivel is factory riveted - comes ready to install. (Ref. photo)