Original U.S. WWII Navy Aircraft Breathing Apparatus "Blimp Rebreather" Hand Select:Yes these 9mm SMGs were modeled

these 9mm SMGs were modeled on the bolt and recoil system of the German MP 40 (with which they are interchangeable)

each map has a sewn selvage hem around all four sides to prevent fraying

The World War II MG 15 was used in nearly all Luftwaffe aircraft with a flexible-mount defensive position

They will not work with any of the current production semi-auto Thompson guns made by Auto-Ordnance or Kahr Arms

Decals are no longer present/visible

Original U.S. WWII Navy Aircraft Breathing Apparatus "Blimp Rebreather" Hand Select:Yes these 9mm SMGs were modeledOriginal Item: Developed in late 1930's by Mine Safety Appliance (MSA), these oxygen regenerating systems provided dirigible aviators with necessary flow of oxygen at higher altitudes. Used with USN C type breathing mask (not included). Chemical cylinder not included. This is a fascinating piece of history, high altitude bombing in late WWI with German zeppelins and allied blimps lead to the discovery that maintaining ships higher than 16,000 feet for