Original U.S. M63 Anti-Aircraft Ground Mount for M2 Browning .50 Caliber Machine Gun Military Flare Guns The production run number is

The production run number is sometimes referred to as a "lot number" or more specifically a "serial number

Various markings and WWII dates

an amazing addition to any Russian Maxim Display

Each Dummy Rifle comes with a Butt Plate and provision for Sling Swivels although swivels are missing

A non-polarizing clear lens was available for protection against dirt and grime under normal conditions where no glare was present

Original U.S. M63 Anti-Aircraft Ground Mount for M2 Browning .50 Caliber Machine Gun Military Flare Guns The production run number isOriginal Item: An absolutely original U. S. manufactured, Heintz Manufacturing of Philadelphia, M 63 Mount for the standard U. S. M2 Browning . 50 caliber machine gun. This mount can also be used with the M1919A4 . 30 cal Browning light machine gun (LMG). Original Data plate marked Mount Cal . 50 AA. M63 Heintz Manufacturing Co. Philadelphia, Penna. U. S. A All U. S. Browning Machine Gun Mounts have become increasingly difficult to obtain in recent