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20MM VULCAN PGU-28 A/B REPLICA
1:1 Full Scale | Collector-Grade
The Studio Difference FEATURE STEEL MOUNTAIN STANDARD PRINTS Engineering Custom CAD Digital Twin Generic Mesh Models Resolution 0.16mm Micro-Layers 0.24mm (Standard) Materials Highest quality Thermoplastics Generic PLA Finish Multi-Tone Metallic like Single Color / Paint
Our Studio-Optimized Profiles reduce visible "stair-stepping" found in hobbyist prints. While additive manufacturing retains fine horizontal artifacts—hallmarks of the process—our proprietary material blends and precision CAD modeling ensure a level of realism and dimension that matches authentic ballistic profiles.
1:1 Scale PGU-28A/B 20mm Ammunition replica COLLECTOR CHOICE Studio Edition: ready-to-display
(1) 1:1 Round + Technical Display Stand. This collector's piece is the closest representation of authentic 20mm ordnance available. Engineered to seat perfectly in genuine spent brass casings for the ultimate desk display.
rtd version Ballistic Heritage & Specifications
The PGU-28A/B is a Semi-Armor Piercing High Explosive Incendiary (SAPHEI) powerhouse. Developed for the M61A1/A2 Vulcan Cannon, it is the primary teeth of the U.S. Air Superiority fleet. This round is historically deployed by:
- F-15 Eagle: Air-to-air & strafing
- F-16 Fighting Falcon: Multirole combat
- F-22 Raptor: M61A2 lightweight system
- F/A-18 Hornet: Carrier-based engagements
- F-14 Tomcat: Historic fleet defense
Elite Squadron Inventory SR-71 Blackbird F-15E Strike Eagle A-10 30mm Replica F-35 25mm Ammo (New!) Upcoming Release
F-117 Nighthawk | 1:48 Scale Gallery Edition
Our Heritage
Steel Mountain pieces are proudly designed and manufactured in the USA by an Active Duty F-35A Crew Chief and his son. Each replica represents our passion for aviation history and technical precision.
Unit Orders
Ideal for military going-away gifts, load-comps, or air show fundraisers. We offer bulk rates for large orders—please message us for a custom quote.
Product Care
Additive manufacturing transitions are inherent. Avoid high-heat environments (like hot car interiors) to prevent warping. 100% legal for display (even in California!).
Studio Policy
Custom-manufactured; all sales final. Dispatched in reinforced mailers. Shipping damage must be reported within 48 hours for replacement.
STEEL MOUNTAIN STUDIO
USA Manufactured | Active Duty Crew Chief Built
