Original U.S. Office of Naval Research 1919A6 Browning .30 Cal Machine Gun Oversize Cutaway Classroom Display Model on Stand Gun Parts It is missing the bottom

It is missing the bottom and the plug

and many gunmakers would use barrels supplied by their many makers

Overall Length: 73 inches

maker marked #4 on the reverse

Original U.S. Office of Naval Research 1919A6 Browning .30 Cal Machine Gun Oversize Cutaway Classroom Display Model on Stand Gun Parts It is missing the bottomOriginal Item: Only One Available. Designed by the Office of Naval Research's Special Devices Center, this cutaway classroom training model measures 79 inches in overall length, and demonstrates the inner workings of the Browning Model 1919A6 Machine Gun. These are very hard to come by, especially with all the parts still intact and on the original display stand. These were used as a way to familiarize service members with the inner workings of the