Model Monkey have released a nice update set for the main battery turrets for the Iowa and Montana class battleships in 1/350th scale.

Iowa class 16"/50 cal. Modernized Turrets 

Item No - 350-BB61 Turrets true scale modern-3

Scale - 1/350th

Note: Tamiya's 1/350 scale USS New Jersey BB-62 and USS Missouri BB-63 kits' turrets are 11% overscale, closer to 1/315 scale.  These turrets will not fit Tamiya 1/350 scale kits.

Includes 3 turrets with barrels.

These turrets will not fit:

Tamiya 1/350 USS Missouri BB-63

Tamiya 1/350 USS New Jersey BB-62

This set of three-gun turrets (more properly called "gunhouses") represents the enormous main battery of the Iowa and Montana class battleships. These model turrets are intended for projects which require turrets precisely scaled to 1/350 - not for Tamiya kits.


Length: 45.7 mm

Turret apron diameter = 35.6 mm


dimensions scaled from scans of original builder's blueprints and confirmed by measurements taken from actual gunhouses on the real ships (Tamiya's turrets are slightly too big)

Turret 1 does not have a rangefinder or armored rangefinder hoods

Turrets 2 and 3 have rangefinders with open viewport shutters

rangefinders with telescopic sights visible through the open shutters of the armored covers

armored rangefinder hexhead bolt and domed screw details

detailed rooftop periscopes

asymmetrical underside ventilation trunks (as-built 1943-1945 configuration)

​This turret set is suitable for:

BB-61 USS Iowa

BB-62 USS New Jersey

BB-63 USS Missouri

BB-64 USS Wisconsin

BB-65 USS Kentucky

BB-66 USS Illinois

Regarding the Mark 7 gun, from Wikipedia: "These guns were 50 calibers long—or 50 times their 16-inch (406 mm) bore diameter which makes the barrels 66.6 feet (20 m) long, from breechface to muzzle. Each gun weighed about 239,000 pounds (108,000 kg) without the breech, or 267,900 pounds (121,517 kg) with the breech. They fired projectiles weighing from 1,900 to 2,700 pounds (850 to 1,200 kg) at a maximum speed of 2,690 feet per second (820 m/s) with a range of up to 24 miles (39 km). At maximum range the projectile spent almost 1½ minutes in flight. Each turret required a crew of 79 men to operate. The turrets themselves cost US$1.4 million each, to which the cost of the guns had to be added."

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