Unknown paramilitary organization

Interesting view of four young men, rather boys, who have taken up arms for the Reich. The caps are military, but the uniforms are not official. They seem to have M1841 Dreyse rifles with them, but the picture can be of a much later date, although I would not say it is post 1918.

 

Note on the reverse: Karl Wecke, Onkel Willi, Karl Rath, Onkel August

Done