Heckler & Koch Slimline Black Polymer Retractable Stock, AR-15/M16 - 50236720

This HK Slimline buttstock is a black polymer retractable stock designed for AR-15, M16, MR556, MR556 A4, and HK416 rifles. The compact design measures 9.5" in length with a 6.1" width and 1.5" height. Installation is direct-fit to compatible platforms without additional modifications.