Overview
A rugged and reliable ammo storage box designed for firearm enthusiasts, reloaders, and range goers. Holding up to 81 rounds of 5.56, this compact case fits easily inside a range bag, making it a great alternative to flimsy factory packaging. The durable snap-locking lid, integrated hinge, and sleek target emblem on the cover provide both style and function.
Now includes an optional TPU padding insert for the base—designed to protect your brass and reduce rattling during transport.
Features and Design
🎯 Compact and portable – Small enough to fit in a range bag without taking up excess space.
🎯 81-round storage – Keeps ammo organized and prevents rattling during transport.
🎯 Secure snap-lock closure – Dual snap locks ensure the lid stays closed until needed.
🎯 Durable hinge design – Allows for repeated opening and closing without failure.
🎯 Embossed lid with target emblem – A clean, professional look that makes identification easy.
🎯 Stackable and modular – Multiple cases can be stacked for efficient storage.
🎯 No support printing – Designed to be printed cleanly without the need for supports.
🎯 Ammo inserts included – Choose between round or square-style press-fit inserts to organize your rounds.
🎯 Optional TPU Pad insert – A flexible, press-fit insert for the bottom or top of the box. Helps cushion your brass and cuts down on clatter. *Make sure you install this before the Ammo Insert
Printing Recommendations
Filament: PETG for durability, PLA+ for ease of printing, ABS for heat resistance
Layer height: 0.2mm for best detail
Infill: 15% for strength without excessive material use
Supports: Not required, but recommended if you want the emboss and engraving to look nice for the top
Bed adhesion: Heated bed recommended
Ammo Inserts: Round or square, both included—print in the same filament as the box
TPU Pad Insert: Print in TPU for best protection and noise dampening
Why Print This?
If you're tired of weak plastic ammo boxes or disposable cardboard packaging, this 3D-printable case offers a strong, reusable alternative. The compact design makes it easy to carry, while the snap-lock system ensures your rounds stay secure. Whether you’re reloading, organizing, or heading to the range, the 5.56 RangeVault is a simple and effective storage solution—with a little extra cushion thanks to the TPU pad insert.
Support & Attribution:
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RangeVault - Ammo Box (5.56 Edition)
by Gizmo Gurus · original on Printables ↗
Sports & Outdoor / Other Sports
♥ 220⬇ 633🖨 1 prints
Print profiles
box_clip.stl
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box_clip.3mf
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RangeVault - Ammo Box (5.56 Edition) - BOTTOM.3mf
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RangeVault - Ammo Box (5.56 Edition) - BOTTOM.stl
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RangeVault - Ammo Box (5.56 Edition) - TOP.stlDEFAULT
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RangeVault - Ammo Box (5.56 Edition) - TOP.3mf
⏱ time and weight estimated after preparation · 1 material(s)
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Prints on: A1 mini 0.4PLA
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5.56 Insert (Square).3mf
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5.56 Insert (Round).3mf
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5.56 Insert (Square).stl
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5.56 Insert (Round).stl
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TPU Insert (5.56 Tip).3mf
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TPU Insert (5.56 Base).3mf
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TPU Insert (5.56 Tip).stl
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TPU Insert (5.56 Base).stl
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Prints on: A1 mini 0.4PLA
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