The Iowa -class battleship USS Iowa fires a full broadside of her 16"/50 (406 mm) Mark 7 guns. The 16"/50 caliber Mark 7 – United States Naval Gun is the main armament of the Iowa -class battleships and was the planned main armament of the canceled Montana -class battleship.

The 16 inch gun M1919 (406 mm) was a large coastal artillery piece installed to defend the United States' major seaports between 1920 and 1946. It was operated by the United States Army Coast Artillery Corps.

The 2A3 Kondensator 2P (Russian: 2А3 «Конденсатор» – "Condenser" or "Capacitor") was a Soviet 406 mm self-propelled howitzer. Its GRAU designation is 2A3.

406 millimeters equal 15.9842519685 inches (406mm = 15.9842519685in). Converting 406 mm to in is easy. Simply use our calculator above, or apply the formula to change the length 406 mm to in.

Jun 20, 2020 · More powerful than the 16"/45 (40.6 cm) Mark 6 guns used on the North Carolina (BB-55) and South Dakota (BB-57) classes, this was possibly the best battleship gun ever put into service.

Actual bore diameter was 406.4 mm (16.0"). According to Russian sources, during trials in 1940 it was recommended that the designed MV be increased to 2,854 fps (870 mps) since the barrel wear was less than expected.

As modernized in the 1980s, each turret carried a DR-810 radar that measured the muzzle velocity of each gun, which made it easier to predict the velocity of succeeding shots. Together with the Mark 160 FCS and better propellant consistency, these improvements made these weapons into the most accurate battleship-caliber guns ever made.

就結構而言，該406毫米（15.98英寸） 口徑 的火炮與 38厘米SK C/34型艦炮 相同，只是炮管的口徑不同。 當用作海岸炮時，這門武器的 射速 約為2發／分鐘。 [1] 由於 第二次世界大战 由納粹德國自行爆發， Z计划 宣佈取消，原定的56,000多噸的H級和J級戰艦被下令停工而從未建成，因此原為它倆設計的火炮就在第二次世界大戰期間被用作 海岸防禦火炮。 生產商至少生產了12門火炮；其中1門為實驗型，有8門位於挪威（一門運輸在途中沉沒），另外3門則設於波蘭在 但澤 …

The 40.6 cm SK C/34, [Note 1] sometimes known as the Adolfkanone (Adolf gun), was a German naval gun, designed in 1934 by Krupp and originally intended for the early H-class battleships. Intended to be mounted in battleship turrets, the guns …

May 21, 2018 · The new Model 1919 16 inch (406mm) /50 caliber Mark II and Mark III rifled gun barrels built for these two capital classes then became available and 20 of the guns were reassigned to the US Army for their coastal defense needs.