Airsoft Review en Español shows you the 3D Printed Mock Suppressor that is based on the Osprey Suppressor. This 3D printed replica is from the Martin Airsoft Custom (MAC) Industries. MAC Industries does a lot of custom work for replicas needed in airsoft and he can be found on Instagram... "The photo of the stock in the MP5 is owned by Martin Airsoft Custom (MAC ) you can see more photos and works on his instagram page."