If you want to build your own version or just buy individual parts of our Modular folding stocks these are the components.
Below are measurements of these assemblies to help you choose the right parts for your custom applications. Measurements are from the mounting face of the hinge to the rear of the buttplate:
Hinge + 9" offset extension + buttplate - 9.6875"
Hinge + 9" straight extension + buttplate - 9.8125"