F5 MFG Modular Stock System with MP5 Adapter Black

F5 MFG Modular Stock System with MP5 Adapter Black. The modularity of this patented stock system allows users to attach various other accessories to the MP5 platform such as pistol grips telescoping stocks braces buffer tubes extended tubes etc. to maximize the functionality of the rifle. This is of course done without sacrificing the look and feel of the original HK design. One of the first Modular Stock Systems ever offered. Specifications for F5 MFG Modular Stock System with MP5 Adapter: Manu