
Military Boxes
- MIL-SPEC ASTM D5118 compliant boxes
- Custom made-to-order sizes available
- Weather-resistant V3c & W5c box options
ASTM D5118 Certified
ASTM D4727 Certified
CSA Class Code A Certified
Cardboard Boxes 4U offers a comprehensive selection of wholesale cardboard ammo boxes and specialty corrugated packaging, including military-spec, hazardous material, and custom-size options. Engineered to meet ASTM D5118 and government standards, these boxes deliver reliable protection for demanding shipping, storage, and compliance-driven applications.






Our cardboard ammo boxes meet ASTM D5118 and ASTM D4727 standards, along with WRA and MPA water resistance standards and CSA Class Code A compliance. Military-spec V3c and W5c boxes are available for government and defense procurement requirements.
Talk to our experts for custom solutions and tailored guidance.

MIL-SPEC and ASTM-compliant boxes for ammunition, hazmat, and sensitive government cargo shipping.

Heavy-duty corrugated boxes for large-scale industrial cargo, bulk components, and equipment parts.

Custom and spec-compliant packaging for aerospace components requiring static and weather protection.

Standard and multi-depth corrugated boxes ideal for product fulfillment, returns, and branded packaging.
Talk to our experts for custom solutions and tailored guidance.
Our boxes meet ASTM D5118, ASTM D4727, WRA, and MPA standards, ensuring full compliance for government, military, and hazmat shipping requirements.
Choose from over 1,300 corrugated sizes or order custom-made boxes. From single-wall to heavy-duty triple wall, we have the right configuration for every need.
We stock rare corrugated formats including V3C, W5C, Fanfold, and conductive black boxes — packaging solutions most suppliers simply cannot provide.
Submit your requirements and our team will respond promptly with pricing, compliance details, and available stock or custom options.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.