1/72 US 81mm Mortar & M2HB

1/72 US 81mm Mortar & M2HB: The Swift Boat's "Piggyback" Punch

Amplify the tactical profile of your "Brown Water Navy" fleet with the meticulously engineered 1/72 Scale US 81mm Mortar and M2HB Machine Gun. Known as the "piggyback" mount, this unique dual-weapon system was a signature armament deployed across US Navy Patrol Torpedo (PT) boats and USS PCF (Patrol Craft Fast) "Swift Boats" during Vietnam-era riverine operations. By mounting a .50 caliber Browning heavy machine gun directly on top of an 81mm breech-loading mortar, crews gained the devastating versatility to deliver flat-trajectory direct fire alongside indirect high-angle mortar support from a single compact station. At this popular 1/72 scale, this replica captures the mechanical grit and versatile firepower required for a professional-grade maritime display.

Engineering Precision & Tactical Fidelity

In 1/72 scale, the mechanical nuances of a dual-mount weapon system become essential focal points, exposing every structural asset to close visual inspection. This model captures the specialized riverine architecture with exquisite fidelity, featuring the accurately rendered smoothbore mortar tube, the iconic perforated cooling sleeve of the M2HB, and the heavy-duty naval pedestal. Every structural line is rendered with architectural sharpness, reflecting the rugged field engineering used throughout the Mekong Delta and eliminating the soft, chunky proportions common in standard multi-piece injection-molded plastic kit parts.

• Museum-Quality Replication: Developed using original technical layouts and historical weapon blueprints to accurately reproduce the exact mount geometry, counter-balance assemblies, and layout spacing characteristic of the historic deck profiles.
• Intricate Dual-Weapon Detailing: Features an incredibly detailed assembly showcasing crisp ammunition feed paths, the mortar's unique trigger mechanism, detailed adjustment knobs, and the M2HB’s classic spade grips.
• Specialized Naval Pedestal: Faithfully reproduces the reinforced mounting base designed to absorb the unique, simultaneous recoil stresses of both weapons in a high-impact maritime environment.
• Intelligent Hollowed Engineering: Expertly designed with a lightened internal profile to optimize material usage. This smart layout ensures a lightweight weapons assembly that mounts effortlessly to delicate aft deck structures without causing warping or structural fatigue.

Premium Material: High Detail Resin Grey

To ensure the thin-walled barrel sleeves, micro-linkages, and structural mount rivets showcase the absolute sharpest technical definitions, this weapons station is crafted from professional High Detail Resin Grey.

• Exceptional Feature Definition: The high-quality resin achieves superior precision and a remarkably smooth finish, perfect for maintaining sharp, uniform edges on thin gunner controls and tiny mechanical brackets without any distracting layer lines.
• Professional Foundation: Provides an ultra-smooth, non-porous base optimized for specialized detail primers, fine masking tapes, and optimal naval paint adherence.
• Superior Quality: Manufactured by distefan 3d print, ensuring clean surfaces, precise geometry alignment, and absolute dimensional integrity for a luxurious, professional-grade finish.

Key Features & Specifications

• Accurate 1/72 Scale: Precision-engineered for perfect, historically proportional integration with standard 1/72 scale US Navy PT boat and PCF kits or custom scratch builds.
• Historically Accurate Configuration: Meticulously researched from original naval weapon specifications to ensure a seamless, flush fit on the aft deck or weapon tubs of your model.
• Unpainted Finish: Arrives completely unpainted, providing a blank canvas for your creative vision. Customize the assembly to reflect factory-fresh shipyard coatings or heavily weathered, battle-tested deck weaponry.
• The Definitive Riverine Upgrade: Replaces simplified, solid-blocked, or missing kit weapons with a sophisticated, historically correct three-dimensional representation of vital naval close-in firepower.

A Canvas for Brown Water Navy Artistry

Arriving in its raw resin finish, the 81mm Mortar & M2HB Set serves as the ultimate starting point for advanced multi-layer painting, precise color-blocking, and realistic deck weathering.

• The "Mekong Delta" Look: Coat the primary mounting pedestal and structural components in authentic US Navy Haze Gray or specialized Olive Drab palettes depending on your vessel's operational theater assignment. Treat the machine gun receiver and heavy barrel to a specialized multi-layered gunmetal lacquer, utilizing dark graphite rubbing powders to buff out a highly realistic, semi-metallic sheen across the mechanical slide lines.
• Realistic Weathering: The 1/72 scale is the ideal playground for micro-detailing. Use subtle dark oil or pin-washes to let deep shadows settle naturally around the gunner's platform, ammunition boxes, and the mortar's elevation gears. Add highly realistic weathering effects like subtle metallic "polishing" along the muzzle of the .50 cal, faint grease staining near moving joint pins, and realistic white salt-crusting to capture the look of a boat newly arrived in Cam Ranh Bay or a veteran enduring the grueling operations of "Operation Market Time."