Engineered to meet stringent ATF compliance standards, our outdoor storage solutions ensure the secure and reliable containment of explosive materials, keeping them protected from both environmental elements and unauthorized access.

Features & Benefits

  • Weather-Resistant – Built to withstand harsh environmental conditions, ensuring protection against weather damage.
  • Theft-Resistant – Features advanced security measures to prevent unauthorized access and safeguard stored materials.
  • Bullet-Resistant – Designed with durable materials to protect against ballistic threats, ensuring the highest level of safety. (Not bullet proof)
  • Ventilated Design – Airflow vents with steel hoods in larger models ensure proper ventilation while maintaining security, preventing moisture buildup and maintaining internal conditions.
  • Robust Construction – Engineered with open channel and plate steel construction for superior strength and durability.
  • Secure Locking System – Equipped with a double-locking door system featuring a ¼-inch steel hood. Hinges and hasps are welded to the door, preventing removal when closed and locked.
  • Static Grounding System – Included static grounding system prevents direct contact with the ground, meeting NFPA 70 standards for safe explosive storage.
  • Weather overhang – Offers protection from continual exposure to rain and snow to the top of the door where most weather failures occur in competitor models
  • Protective Coating – Interior and exterior surfaces are treated with a high-performance two-part epoxy primer and polyurethane topcoat to resist chemicals, exterior abrasion, corrosion, and UV exposure.
  • Variety of Models – Choose from 30 standard models to meet your storage needs, ensuring compliance with ATF requirements for Type 2 explosives.
  • Easy Relocation – Most models (excluding cap boxes) are equipped with forklift pockets for convenient relocation as operational needs change.

Additional Features

  • Lift Rings for moving via overhead crane or forklift strap
  • Forklift Channel – rounded on large models, angled on smaller models
  • Lockable latch closure utilizing strong camlock style mechanism
  • Double padlock with theft-resistant hidden design with welded steel hood

Common Applications

Explosives are used in a variety of industries, from mining and law enforcement to entertainment and fireworks displays. Due to their inherent dangers, handling and storing these materials require strict adherence to federal safety standards.

Failure to comply with ATF standards can result in severe penalties and safety risks.

  • Military & Law Enforcement Explosive and Ammunition Storage
  • Municipal Explosive and Ammunition Storage
  • Contractor Explosive and Ammunition Storage

Downloadable Information & Fact Sheets

Compliance & Approvals

U.S. Chemical Storage builds and delivers customized, high-quality, and fully compliant solutions for explosive storage that prioritize safety and operational efficiency.

Contact us today to design a custom solution for your specific needs.

All DynaLoc™ Type 2 outdoor magazines meet or exceed the following regulations:

  • ATF 27 CFR, Part 555.208
  • NFPA 70

Frequently Asked Questions

Day boxes are used for the transfer and temporary, supervised storage of your explosives. These magazines are light enough for daily transport from your overnight storage area to the job site. Our DynaLoc™ day boxes are constructed to be fire-resistant, weather-resistant, and theft-resistant.

Yes. High and low explosives that are placed in outdoor magazines should have a grounding system according to the NFPA 70 standard. Grounding protects your magazine and its contents against lightning strike, and it will need to be properly grounded by a licensed electrician. For more information, please refer to NFPA .

For storage purposes, federal requirements classify explosive materials according to their velocity. There are three classes of explosive materials, per ATF 27 CFR 555.202:

  • High Explosives – explosives which detonate by means of a blasting cap (dynamite, emulsions, flash powders, etc.)
  • Low explosives – explosives which deflagrate when confined (black powder, safety fuses, ignitor cords, “display fireworks,” etc.)
  • Blasting agents – explosives consisting of fuel and oxidizer, intended for blasting and unable to detonated by a No. 8 test blasting cap when unconfined (ammonium nitrate-fuel oil and certain water-gels)

For more information, visit https://www.atf.gov/explosives/explosive-storage-requirements.

Yes. Like all our safe storage buildings, U.S. Chemical Storage can provide custom explosive storage magazines to fit your needs. For assistance creating a custom solution for your storage needs, contact one of our experts.

No. A common misconception is explosive storage magazines will contain a blast inside the unit—this is not the case. Explosive storage magazines work as a safeguard against theft and accidental detonation by improper storage and the environment.

Each class requires a unique storage solution to ensure optimal safety and management. Type 2 is for storage of high explosives, Type 4 is for storage of low explosives, and Type 3 are day boxes that are used to transport both high and low explosives.

Our Type 2 and Type 4 explosive storage magazines are available in both indoor and outdoor styles, and every storage type we offer features theft-resistant, weather-resistant, and fire-resistant construction.

You should consider a few things when choosing your explosive magazine storage. 

  • what type of explosive are you storing and its classification
  • where are you storing it – inside or outside
  • how much are you storing. Some explosives have limits on how much can be stored in a magazine.

If ever in doubt, please contact your local ATF office for clarification.

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