DENIX M3 Grease Gun Sub Machine Gun sliding stocks , manufactured in QUEENSLAND , AUSTRALIA  by myself due to Home Affairs import legislation making it impossible to import the stock even though it is for a replica ( never was ) firearm . 

Manufactured to fit perfectly in blued mild steel ……good enough to put on a real .45 cal SMG  ( some minor modification at your end to your stockless M3 , instructions supplied )

$ 110.00 each plus post ……..   fitting available , please call me .  PS … I will request info to prove that you are legally holding a Denix M3 replica  in accordance with your state legislation