Original U.S. Cold War Navy 3 Inch .50 Cal Mark 29 Armor-Piercing Capped Round - Inert Headgear the barrel was remounted to

the barrel was remounted to the original receiver

- V-Mail Magnifier still in original box

Lanyard cord is undoubtedly period

After the Second World War

The plastic casing of the mine is usually dark olive green

Original U.S. Cold War Navy 3 Inch .50 Cal Mark 29 Armor-Piercing Capped Round - Inert Headgear the barrel was remounted toOriginal Item. Only One Available. The 3 inch . 50 caliber gun (spoken "three inch fifty caliber") in United States naval gun terminology indicates the gun fired a projectile 3 inches (76mm) in diameter, and the barrel was 50 calibers long (barrel length is 3 in 50 = 150 in or 3. 8 m). Different guns (identified by Mark numbers) of this caliber were used by the U. S. Navy and U. S. Coast Guard from 1890 through the 1990s on a variety of combatant and