The BLACKHAWK! Knoxx replacement COMMERCIAL adjustable buttstock is a polymer constructed M4 style stock. Designed for quick and easy adjustment it features a 1”; preinstalled quick-detach sling swivel. Comprised of a durable polymer, the Knoxx is a great replacement for your current commercial stock.
*This stock is intended for commercial buffer tubes with a 1.170 diameter. Mil-Spec buffer tubes (1.146”; diameter) will not allow proper fitment.
Manufacturer Item Number: K11011-C