AR-15 M4 collapsible stock drop-in replacement buttstock for your AR15, M4 carbine using commercial spec size receiver extension tubes. This M4 collapsible AR stock is made from high quality DuPont extreme reinforced polymer and features a metal sling swivel stud and slot for tactical sling attachment color is black. This six-position adjustable M4 stock makes an ideal replacement for an old stock or as a new stock for AR-15 build. ATI Limited Lifetime Warranty. Made in the USA.
Note: This stock works with Commercial Diameter Receiver Extensions buffer tubes.