This is a .50 Caliber BMG Brass Military Training Dummy Round. (BMG standing for
Browning Machine Gun.)
Totally inert brass round with no primer or gun powder in them.
The 50 caliber round was used in the M2 machine gun. The M2 has been referred to as "Ma Deuce" and has been in service since the 1920's to the present.
Used in machine guns and long-range target and sniper rifles.
it is a standard cartridge for NATO forces as well as many non-NATO countries.
Size: 5-3/8 " X 3/4"