Reloading for the 16 inch, 50 Caliber Mark 7....

Working of 16 inch 50 caliber Mark 7 gun as the main armament of BB-61 class battleship, United States.

Structure and working of 16 inch 50 caliber Mark 7 gun as the main armament of BB-61 class battleship, United States.

Naval guns aboard a ship being fired during a testing of the ship while underway in the Atlantic Ocean.

USS Wisconsin Fires 16 Inch Guns

Save the Navy’s Mark 7 16-inch Cannons: Big sticks speak loudly :: Guns.com

USS Wisconsin firing 16IN guns!

[Hot Item] 15 Gauge Heavy Duty Q Series 7/16 Inch 50mm Length Staples