Original U.S. WWI Navy Inert 3-Inch 50-Caliber Round & Casing - Dated 1917 Category_Night Sights indicating that it is the

indicating that it is the Holster For CZ 27 / Ser# 562065 & Extra / Magazine

Maryland on August 3

and William

Cartridge Type: Can and Ball

Original U.S. WWI Navy Inert 3-Inch 50-Caliber Round & Casing - Dated 1917 Category_Night Sights indicating that it is theOriginal 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 (76 mm) 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 1900 through to 1990 on a variety of combatant and