Adapter for mounting an ACR stock on the HK SP5K.
This part is manufactured from Nylon using a process called Multi Jet Fusion or MJF. The parts are then sandblasted, dyed and shotpeened for a strength and finish that is comparable to injection molded nylon. The part is black throughout.
Installs the same as the factory backplate using existing hardware. Comes with buffer already installed.
For more info on this and other Revolutionary Roller Locks products check out https://revolutionaryrollerlocks.com/