The Sheffield 12629 Ammo Storage Box is a versatile, lockable storage solution ideal for hunters, outdoor enthusiasts, and survivalists. Designed for .30 caliber, 9mm, and 5.56 ammunition, this durable box features a weather-resistant, tamper-proof lid and space-saving tapered design. Proudly made in the USA, Sheffield’s sturdy handle and reinforced lid ensure easy portability and secure stacking—making it a reliable choice for protecting your gear at home or in the field.
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Ammo Box – Complete Review 2025
The ammo box from Sheffield offers secure and versatile storage for your hunting gear, ammunition, and supplies. Built for durability, this model features a heavy-duty handle and robust construction that stands up to tough conditions in the field or at home.
Designed with tactical storage needs in mind, it’s ideal for those who require reliability and portability. According to Sheffield, the .30 cal box targets outdoor enthusiasts seeking rugged, weather resistant options.
The compression-fit, gasket-sealed lid protects against moisture, while its lockable configuration keeps your bullets safe from tampering. Whether you’re using it as an ammunition case or to store emergency kit supplies, this product adapts to your lifestyle. For more gear advice, read our guide on choosing waterproof field bags.

Key Features of the Ammo Box
- Versatile Field Storage: Efficiently fits .30 cal rounds, tools, electronics, or survival items for hunting gear storage.
- Tapered Design for Space Savings: Nests cleanly with other boxes, optimizing cargo and garage storage.
- Weather Resistant Build: Compression-sealed lid blocks out water and dust for outdoor use.
- Tamper-Proof Security: Supports three locks for extra safety—helpful for both gun owners and families with kids.
- Durable Handle: Reinforced support lip prevents cracking under heavy loads, and the handle ensures comfortable portability.
Real-World Performance Testing
In reviewing the ammo box during multiple trips to the range and several wet weather outings, its field storage performance excelled. The gasket-sealed lid prevented water from leaking in during a recent thunderstorm, keeping .30 cal ammo dry and corrosion-free.
Users can fit around 10 boxes of 9mm rounds inside, plus space for accessories like cleaning kits or batteries. The durable handle stayed secure after repeated carrying. The product survived being dropped from a truck bed with only minor scuffs and no structural cracking, showcasing its rugged build.
As a tactical storage solution, it stacks neatly, even when loaded to capacity. While larger bullet containers offer greater volume, this lockable box is easier to transport. One minor complaint is that locks are not included, which some may expect at this price point.
For other secure options, check out our comparison of top-rated gun safes. And according to ConsumerRack’s field test, this model competes well against pricier waterproof ammo containers.
How It Compares to Alternatives
Compared to the MTM AC30T and Plano 1312 boxes, this tool delivers equivalent weather resistance, but stands apart with American manufacturing and extra locking options.
While not as spacious as some high-capacity ammo cans, the Sheffield box offers a more refined stacking experience. At a mid-range price, its value is strong, particularly for those prioritizing portability and versatile use.
Warranty support is solid—an edge over imported competitors like the Redneck Convent container. If you need a robust .30 cal solution, Sheffield and MTM are top choices.
Who Should Buy This Product?
This tool is perfect for gun owners looking for a reliable, tamper-resistant bullet container. Hunters and sport shooters who value quick access to gear will find its portable design helpful. Preppers and outdoor enthusiasts will also appreciate its ability to keep supplies safe against the elements.
Families who need organized, lockable storage for airsoft, Nerf darts, craft items, or battery packs may find it equally useful. Those needing very large-capacity storage or ultra-budget solutions should consider other models.
For additional multipurpose storage solutions, check our guide to stackable boxes.

Frequently Asked Questions
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Can this storage box hold both .30 caliber and 9mm rounds?
Yes, its interior is designed for efficient hunting gear storage and accommodates standard ammo sizes like .30 cal and 9mm, as well as various accessories. -
Is the box waterproof and dustproof?
The compression-fit lid gasket offers weather resistant protection, keeping water and dust out. For total waterproof ammo security, always check the seal before use. -
Is the ammo box lockable?
Yes, the ammo box features three locking points for tamper-proof storage of bullets, tools, or valuables. -
How does it compare to more expensive ammunition cases?
This model offers similar durability and protection as premium ammunition cases, but at a more accessible price point and with a focus on stackability and portability.
In summary, if you’re looking for a durable, versatile, and secure ammo box, this product from Sheffield is an outstanding choice for any field storage or hunting gear setup.








