Inert/ display - .50 Cal. x 77 Spotting Rifle round, brass case, copper fmj bullet. As used on now obsolete 105mm/120mm Recoilless anti-tank (BAT) artillery weapons - Antique Armoury

Inert Russian 12 7 x 108mm heavy machine-gun cartridge SOLD

German – Page 46 – Catalog of Enemy Ordnance

The 50 Cal Bullet For A 50 Cal Heavy Machine Gun M2 Or Antimateriel Sniper Rifle Stock Photo - Download Image Now - iStock

Machine Gun Rounds - D&B Militaria

Machine Gun Rounds - D&B Militaria

Inert/ display - .50 Cal. x 77 Spotting Rifle round, brass case, copper fmj bullet. As used on now obsolete 105mm/120mm Recoilless anti-tank (BAT) artillery weapons - Antique Armoury

Second Hand Muzzle Loading Firearms Archives - Peter J Starley Kft

American and British recoilless guns

Xrays part 1 - 50cal 12.7x99 - General Ammunition Discussion - International Ammunition Association Web Forum

BULLETS for the Torpedo Revolver

Original U.S. Vietnam War Era Early M72A2 Light Anti-Armor Weapon “LAW – International Military Antiques

Original U.S. M1 Abrams Tank 105mm HEAT-T Inert Training Cartridge – International Military Antiques

WW2 Equipment Data: American Projectiles and Explosives - 8-inch Projectiles

Odd 12 gauge round with patented bullet - General Ammunition Discussion - International Ammunition Association Web Forum