





1/32 USN 5-inch 25 Deck Gun Mk40
1/32 USN 5-inch/25 Deck Gun Mk40: Heavy Surface Firepower for the Silent Service
Arm your late-war "Fleet Boat" with the definitive heavy armament of the Pacific submarine campaign. The meticulously engineered 1/32 Scale USN 5-inch/25 Deck Gun Mk40 is designed to provide museum-quality realism for your large-scale submarine subjects. As the preferred surface weapon for Gato, Balao, and Tench-class submarines from 1944 onward, this "short" 5-inch gun provided the devastating punch needed to sink Japanese merchantmen and escorts without wasting precious torpedoes. At this massive 1/32 scale, every mechanical nuance of the breech and the rugged mounting hardware is rendered with the industrial precision required for an elite-level center-piece.
Engineering Precision & Ballistic Fidelity
High-Fidelity "Sub-Deck" Detail: In 1/32 scale, the deck gun is the primary visual anchor of the forward or aft casing. This replica captures the Mk40 architecture with exquisite fidelity, featuring the characteristic tapered barrel, the heavy-duty breech block, and the specialized water-tight tampion details. Every structural line is rendered with architectural sharpness, reflecting the ruggedized, salt-water resistant engineering required for weapons that spent most of their lives submerged.
Historically Accurate Late-War Configuration: Meticulously researched to depict the standard 5"/25 wet-mount used by the US Navy during the final, aggressive stages of WWII.
- Intricate Mechanicals: Captures the nuanced features of the original weapon, from the delicate training and elevation wheels to the detailed shell loading tray and breech mechanism.
- Specialized Submarine Mounting: Faithfully reproduces the reinforced pedestal and deck interface points unique to the "Silent Service."
- Hollowed Engineering: Expertly designed to optimize material usage—significantly reducing weight to ensure your submarine's deck remains stable—without sacrificing the robust "heavy steel" appearance.
- Seamless Integration: Precision-scaled for a historically proportional fit on 1/32 scale US Navy submarine models and custom-built casings.
Premium Material: High Detail Resin Grey
To ensure your submarine’s primary surface armament showcases the finest mechanical textures, this gun is printed in High Detail Resin Grey, offering the ultimate surface for discerning shipwrights:
- Exceptional Feature Definition: The resin captures minute details—from the muzzle rifling to the recessed hardware on the training gear—with surgical precision.
- Professional Smooth Finish: Provides a non-porous, ultra-smooth base that drastically reduces preparation time, allowing you to move straight to specialized Dull Black, Haze Gray, or Submarine Black palettes.
- Superior Hardness & Stability: Engineered for toughness, protecting the long barrel and delicate operator seats during assembly or diorama placement.
Key Features & Specifications
- Accurate 1/32 Scale: Precision-scaled for a massive and historically proportional presence on 1/32 scale US Navy submarine models.
- Museum-Grade Detail: Faithfully reproduces the 5-inch/25 Mk40 with unparalleled accuracy in the barrel, breech, and mounting hardware.
- Unpainted Finish: Provides a blank canvas for your artistic vision. Recreate the factory-fresh look of a new shipyard delivery or the salt-etched, oil-streaked appearance of a boat returning from its tenth war patrol.
- Easy Integration: Designed for a seamless, flush fit on the deck of large-scale submarine models.
A Canvas for Naval Artistry
Unpainted for Total Customization: Arriving in its raw grey resin finish, the 5-inch/25 Mk40 serves as the ultimate starting point for advanced detailing:
- The "Patrol Veteran" Look: Apply a base of high-quality maritime enamel. The smooth resin surface is ideal for depicting unique wear patterns—from "polished" metal on the training cranks to heavy salt-crusting and localized rust-runs around the deck bolts.
- Realistic Weathering: The 1/32 scale is the ultimate playground for detailing. Apply light oil-washes to define the mechanical joints and add metallic "scuffing" to the breech blocks to achieve high levels of authenticity and realism.
Upgrade your submarine model with this impressive and historically accurate 1/32 USN 5-inch 25 Deck Gun Mk40.

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