Original U.S. WWII 1943 M1A1 Bazooka 2.36 inch Anti-Tank Rocket Launcher Serial 153877 with M6A3 HEAT Rocket - Inert Japanese Antique Guns We can however see that

We can however see that the cylinder chambers may have been lengthened and/or sleeved

though we are not sure if this was done by the Germans or not

this dates between 1917 and 1918

There is also what looks to be "3M8" or "3118" marked on the bottom of the guard

Original U.S. WWII 1943 M1A1 Bazooka 2.36 inch Anti-Tank Rocket Launcher Serial 153877 with M6A3 HEAT Rocket - Inert Japanese Antique Guns We can however see thatOriginal Item: Only One Available. This wonderful M1A1 Bazooka has been demilitarized according to specifications by the BATF rendering it completely non functional and inert. It has had a bore width hole drilled into the body, and has a steel bar welded across the bore to prevent loading per BATF requirements. Not Available for Export. This is an incredibly rare example, only the third original example we have ever owned in more than three decades.