Scale: 1/350  

Set includes 4 turrets with trunnions ("barrel sleeves").

Recommended for the Iron Shipwrights (ex-Toms Modelworks) USS Arizona BB-39 (1921) kit.
 
These scale triple-gun 14 inch/45 caliber turrets are designed for models of the Pennsylvania-class battleships USS Arizona BB-39 and USS Pennsylvania BB-38 in their original, as-built appearance. These model turrets were patterned from scans of original builder's blueprints held by the US National Archives.

Features:
accurately shaped and dimensioned gunhouse and barrel length scaled from official US Navy drawings from O.P. 1112 dated January, 1945
detailed, as-built (smaller) rangefinder hoods with closed viewports
to-scale thickness of glacis
properly shaped gun openings for the original elevation of +15 degrees
correctly shaped buckler (bloomer/blastbag) attachment collars on glacis
slots in trunnions for cannon barrels (barrels not included)
trunnions printed separately to permit the modeler to select any elevation from -5 degrees to +15 degrees, just like the real guns
trunnion accurately positioned within the gunhouse according to US Navy O.P. 1112 drawings providing a correct center of rotation
accurate bolts and screwheads, properly positioned
accurate and detailed asymmetrical rooftop periscope bases
turret bottom access hatch
accurate turret apron with the correct number of gusset plates and attachment rivets
 
These 3D-printed acrylic parts are designed to accurately represent features of the actual ship based on authoritative plans.  They are not 3D-printed copies of inaccurate plastic kit parts and therefore are shaped and sized a bit differently.  Some adjustment to your plastic kit's parts or other aftermarket parts such as photoetch or wood decks may be necessary for best fit.

© Model Monkey LLC. This 3D-printed product may not be copied or recast.
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From Wikipedia: "The 14"/45 caliber gun, (technically naval rifles) whose variations were known initially as the Mark 1, 2, 3, and 5, and later as the Mark 8, 9, 10, and 12, were the first 14-inch guns to be employed with the United States Navy, and were for over a year the most powerful naval ordnance afloat. They were installed aboard the United States Navy's New York-class, Nevada-class, and Pennsylvania-class battleships as the primary armament for each battleship in the class. The gun also saw service in the British Royal Navy, where it was designated the BL 14 inch gun Mk II.

"The design of the 14"/45 caliber dates to about 1910, and they entered service in 1914 aboard USS New York. At the time of their introduction they were intended to fire 1400 lb armor-piercing (AP) projectiles containing a bursting charge of explosive D. Propellant charge was four silk bags of smokeless powder, each of which weighed 105 lb. At a 15 degree angle, the guns could fire a shell out to 23,000 yards. Each individual gun weighed 140,670 lbs without the breech and measured 642.5 inches in length."