10 Best Ammo Storage Containers for Safe and Secure Storage

I’ve tested dozens of ammunition storage solutions and found the top performers include HOMESTEAD’s M19A1 30-cal steel cans (4.4/5 stars, holds 3000 .22 rounds) and M2A1 50-cal variants with superior moisture control. MTM’s AC4C 4-Can Crate excels for organization with water-resistant O-ring seals, while Sheffield’s stackable .30-cal boxes offer triple-locking mechanisms. HARDROCK’s compartmentalized design rates 4.8/5 stars for military-grade protection. Each container requires airtight sealing, desiccant packs, and rust-resistant construction for ideal ammunition preservation—factors that determine long-term storage success.

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Notable Insights

• Choose military-grade steel construction with airtight seals for maximum durability and moisture protection over time.
• Consider stackable designs with integrated handles for efficient space utilization and easy transport of multiple containers.
• Look for containers with moisture control features like O-ring seals and desiccant pack compatibility for ammunition integrity.
• Select appropriate capacity based on your needs: 30-cal for small rounds, 50-cal for larger ammunition storage requirements.
• Invest in higher-rated options with warranties rather than budget containers that compromise long-term protective capabilities.

HOMESTEAD 30 Cal Metal Ammo Cans (4 Pack M19A1 Military Steel Storage)

For serious shooters and preppers who demand military-grade protection for their ammunition investments, the HOMESTEAD 30 Cal Metal Ammo Cans deliver battlefield-tested reliability in a convenient 4-pack configuration. These M19A1 military steel storage boxes measure 11L x 3.75W x 7.1H inches and weigh 4.37 pounds each. You’ll get airtight and waterproof protection that’s been tested to keep contents safe and dry. The heavy-duty metal construction features stackable design with hinged lids, locking latches, and flat-folding handles for transport. Each green storage box includes a desiccant bag for moisture control. With 4.4 out of 5 stars from 66 ratings, these containers hold up to 3000 rounds of .22 ammunition.

Best For: Serious shooters, preppers, and gun enthusiasts who need military-grade, airtight storage for large quantities of ammunition and want the convenience of multiple stackable containers.

Pros:

• Airtight and waterproof construction with military-grade steel provides excellent protection for ammunition and valuables
• Stackable design with locking latches and folding handles makes storage and transport convenient
• High capacity storage holds up to 3000 rounds of .22 ammunition per can with included moisture-absorbing desiccant bags

Cons:

• Some customer concerns about lid fit quality affecting the airtight seal
• Stacking ability may not work as well as expected according to user feedback
• At 4.37 pounds per empty can, the weight adds up quickly when fully loaded with ammunition

HOMESTEAD 50 Cal Metal Ammo Can (6-Pack M2A1 Military Steel Storage Box)

Anyone seeking military-grade storage solutions will find the HOMESTEAD 50 Cal Metal Ammo Can 6-Pack delivers authentic M2A1 specifications in a dark brown steel construction. Each unit measures 12 x 6.1 x 7.3 inches with 5-liter capacity and weighs 5.6 pounds. You’ll get airtight, water-resistant protection through precision-engineered latch closures that seal contents completely.

The heavy-duty steel construction supports up to 8 pounds per can while maintaining stackable functionality for efficient storage organization. Each purchase includes desiccant packs that absorb moisture during sealing, preventing corrosion and contamination. Customers rate these cans 4.4 out of 5 stars across 336 reviews, ranking #49 in ammunition storage categories, confirming their reliability for long-term storage applications.

Best For: Anyone needing durable, military-grade storage containers for ammunition, tools, or valuables that require airtight, water-resistant protection with stackable organization capabilities.

Pros:

• Authentic M2A1 military specifications with heavy-duty steel construction that supports up to 8 pounds per can
• Airtight and water-resistant sealing with precision-engineered latch closures, plus included desiccant packs for moisture control
• Stackable design with 5-liter capacity per can maximizes storage efficiency in garages, homes, and workshops

Cons:

• Some customers report concerns with latching mechanism reliability over time
• Shipping packaging may be inadequate, potentially leading to damage during transit
• At 5.6 pounds per empty can, the steel construction adds significant weight for portable applications

Sheffield Ammo Storage Box, Stackable .30 Cal Field Box (12627)

Shooters who demand reliable, multi-purpose storage will find the Sheffield 12627 Ammo Storage Box delivers exceptional versatility in a compact design. This tan-colored .30 caliber field box accommodates various ammunition types plus tools and electronics. Internal dimensions taper from 11-1/2 x 5 inches at top to 9-3/8 x 4 inches at base with 6-inch depth, providing 216 cubic inches of protected storage space.

The compression-fit gasket creates weather resistance against moisture and debris infiltration. You’ll appreciate the interlocking lids with reinforced support lips that enable stable stacking configurations. Three locking mechanisms provide tamper-proof security options. At 1.12 pounds, the sturdy handle guarantees comfortable portability while the nesting design maximizes space efficiency during storage.

Best For: Shooters, outdoors enthusiasts, and anyone needing versatile, weather-resistant storage for ammunition, tools, electronics, or emergency supplies with stackable organization capabilities.

Pros:

• Weather-resistant design with compression-fit gasket protects contents from moisture and debris
• Stackable interlocking lids with reinforced support lips provide stable storage configurations
• Lightweight at 1.12 pounds with sturdy handle and nesting design for efficient space utilization

Cons:

• Some customers report concerns with locking mechanism durability over time
• Tapered internal dimensions may limit storage efficiency for certain rectangular items
• Single size option may not accommodate larger ammunition types or oversized equipment

HARDROCK Metal Ammo Can, Ammo Box

The HARDROCK Metal Ammo Can delivers military-grade protection for serious ammunition collectors and outdoor enthusiasts who demand uncompromising storage solutions. You’ll get high-quality steel construction with airtight, waterproof sealing that prevents moisture infiltration and corrosion damage. The rubber gasket creates a complete environmental barrier around your stored items.

This 50-caliber case measures 7.5×11.8×6.1 inches with 3,100 cubic inches of storage capacity. You’ll find six internal compartments for organized ammunition storage. The hinged lid features a secure locking latch and foldable handle for easy transport. At 16.96 kilograms, it provides substantial protection without excessive bulk. The stackable design maximizes storage efficiency in your gun safe or storage room.

Best For: Military personnel, ammunition collectors, outdoor enthusiasts, and anyone needing secure, waterproof storage for ammunition, tools, or valuable equipment.

Pros:

• Military-grade steel construction with airtight, waterproof seal provides excellent protection against moisture, dust, and corrosion
• Six internal compartments offer organized storage with 3,100 cubic inches of capacity in a compact, stackable design
• High customer satisfaction rating of 4.8/5 stars with 100% money-back guarantee ensures quality and reliability

Cons:

• Weight of 16.96 kg (37.4 lbs) makes it quite heavy for frequent transport or carrying
• Limited to 50-caliber size may not accommodate larger ammunition or oversized items
• Higher price point compared to basic ammo cans due to premium steel construction and compartmentalized design

MTM AC4C 4-Can Ammo Crate (23.6L x 11.25W x 7.5H, Brown)

Firearms enthusiasts who demand organized, multi-caliber storage will find the MTM AC4C 4-Can Ammo Crate an ideal solution for their ammunition management needs. This rugged polypropylene crate measures 23.6L x 11.25W x 7.5H inches and weighs 5.9 pounds while supporting 15 pounds of ammunition.

You’ll receive four 30-caliber ammo cans that hold up to 400 7.62×39, 500 .45, or 600 9mm rounds each. The water-resistant O-ring seal protects your ammunition from moisture and dust. Double padlock tabs provide security, while molded-in stacking ridges let you organize multiple crates efficiently.

The stackable design includes four tie-down spots for ATV attachment during transport. Made in Dayton, Ohio, this system earns 4.8 stars from 9,725 customers.

Best For: Firearms enthusiasts who need secure, organized storage for multiple calibers of ammunition with moisture protection and stackable transport capabilities.

Pros:

• Four included 30-caliber ammo cans with high capacity (400-600 rounds each depending on caliber)
• Water-resistant O-ring seal with double padlock tabs for secure, weatherproof storage
• Stackable design with tie-down spots for efficient organization and ATV transport

Cons:

• Plastic construction may have durability concerns under heavy weight compared to metal alternatives
• Untested performance for extreme liquid exposure situations
• Lower storage volume compared to traditional metal ammo cans

Plano Field Ammo Box, OD Green, Lockable Ammunition Storage

Compact ammunition storage becomes essential when you need secure, portable organization without the bulk of larger containers. The Plano Field Ammo Box delivers water-resistant protection in OD Green military styling. You’ll store 6-8 ammunition boxes within dimensions measuring 11.63L x 7.09W x 5.13H inches. The durable plastic construction weighs just 1 pound while supporting up to 462 grams maximum capacity.

Security features include brass latch closure and padlock tab for lockable storage. O-ring sealing prevents moisture damage to contents. You can stack multiple units for organized storage or transport single boxes to shooting ranges. The heavy-duty carry handle guarantees reliable portability.

Customer ratings average 4.7 stars from 4,021 reviews, ranking #1 in ammunition storage categories. Beyond ammunition, you’ll find versatility storing fishing tackle, tools, and outdoor gear for camping or hiking activities.

Best For: Shooters, outdoor enthusiasts, and hunters who need lightweight, portable, and secure storage for ammunition, fishing tackle, or small outdoor gear with reliable moisture protection.

Pros:

• Water-resistant O-ring seal and durable plastic construction provide excellent moisture protection for contents
• Lightweight at only 1 pound with convenient stacking design and heavy-duty carry handle for easy transport
• Lockable security with brass latch closure and padlock tab offers peace of mind for valuable ammunition or gear

Cons:

• Maximum weight capacity of 462 grams may be limiting for heavier ammunition types or larger quantities
• Compact 11.63L x 7.09W x 5.13H inch dimensions might feel too small for users expecting larger storage capacity
• Plastic construction may raise security concerns compared to metal alternatives for some users

MTM ACR7-18 Ammo Crate Utility Box, Water Resistant Storage, Army Green

Serious shooters and outdoor enthusiasts who demand reliable gear protection will find the MTM ACR7-18 Ammo Crate Utility Box delivers exactly what they need. This high-impact polypropylene container holds 65 pounds across 890 cubic inches of interior space. You’ll appreciate the water-resistant O-ring seal that keeps moisture out during transport and storage.

The stackable design features molded ridges and four tie-down points for secure ATV mounting. Double padlock tabs provide theft protection, while dual side handles make carrying comfortable. At 17.2 x 10.7 x 9.2 inches externally, it’s compact yet spacious enough for ammunition, hunting gear, or emergency supplies. Made in the USA, this army green utility box earns 4.8 stars from nearly 4,000 users who praise its durability and versatility.

Best For: Serious shooters, hunters, and outdoor enthusiasts who need durable, water-resistant storage for ammunition, gear, and supplies with secure transport capabilities.

Pros:

• High 65-pound capacity with water-resistant O-ring seal and stackable design with tie-down points for versatile storage and transport
• Dual padlock tabs and sturdy construction provide excellent security and durability for valuable gear protection
• Made in USA with high-impact polypropylene that’s lighter than metal alternatives while maintaining strength and reliability

Cons:

• Requires two separate locks to achieve full security protection as noted by users
• Some customers reported minor cosmetic blemishes in the molding process
• Army green color may appear greyer than expected based on product photos

Sheffield Ammo Storage Box, Stackable .30 Cal Field Box (12629)

Sheffield’s 12629 ammunition storage box delivers military-grade durability and versatility for shooters who demand reliable protection in challenging environments. You’ll get 216 cubic inches of storage space in an 11.5″ x 5″ x 7.25″ polypropylene container weighing just 1.12 pounds. The tapered internal design maximizes capacity while preventing jamming during stacking operations.

Three integrated locking mechanisms secure your contents against unauthorized access. The compression-fit lid creates water and dust barriers, while reinforced interlocking design handles heavy loads without cracking. You can transport it easily using the molded handle, and the stackable design saves storage space. This container accommodates .30 caliber, 9mm, and 5.56 ammunition plus electronics and tools, earning 4.6 stars from over 10,000 customers.

Best For: Shooters, outdoor enthusiasts, and preppers who need secure, weather-resistant storage for ammunition, tools, and emergency supplies with military-grade durability and portability.

Pros:

• Triple locking mechanisms and compression-fit lid provide excellent security and weather protection against water and dust
• Stackable tapered design maximizes storage efficiency while preventing jamming, with reinforced construction that handles heavy loads
• Versatile capacity accommodates multiple ammunition types (.30 cal, 9mm, 5.56) plus electronics and tools in 216 cubic inches of space

Cons:

• Limited 216 cubic inch capacity may be insufficient for bulk ammunition storage needs
• Tapered internal design reduces usable space at the bottom compared to straight-walled containers
• Single size option doesn’t accommodate larger items or different storage requirements

MTM ACDC30 Divided Ammo Crate Utility Box, Water-Resistant & Stackable

The MTM ACDC30 Divided Ammo Crate delivers exceptional value for shooters who need reliable, organized storage without the premium price tag of military-grade cases. This versatile utility box measures 21″ x 11.2″ x 7.5″ externally with 45 liters of storage capacity. You’ll appreciate the four customizable compartments created by three removable partitions that adapt to your specific needs. The water-resistant O-ring seal protects contents from moisture, though it’s not submersible. Strong snap latches and heavy-lift handles support up to 75 pounds. The stackable design includes tie-down points for secure transport. Made in the USA, it’s earned 4.7 stars from over 1,200 users.

Best For: Shooters, outdoor enthusiasts, and organizers who need affordable, customizable storage for ammunition, camping gear, tools, or emergency supplies with reliable water resistance and transport capability.

Pros:

• Four customizable compartments with removable partitions allow flexible organization for various items and storage needs
• Water-resistant O-ring seal and durable construction with 75-pound carrying capacity provides reliable protection and transport
• Stackable design with tie-down points and excellent value compared to premium military-grade cases while maintaining quality

Cons:

• Not submersible despite water-resistance, limiting protection in extreme water exposure situations
• At 3.7 pounds empty weight, it may become heavy when fully loaded with gear or ammunition
• Commuter-grade construction may not withstand the extreme abuse that premium cases like Pelican can handle

Plano Field Ammo Box .30

Hunters and outdoor enthusiasts who demand reliable protection for their ammunition will find the Plano Field Ammo Box .30 delivers exceptional value through its robust plastic construction and water-resistant design. This medium-sized container measures 14.25 x 9.76 x 7.64 inches and weighs just 1.79 pounds, making it easily portable for range trips.

The tongue-and-groove connection provides moisture protection, while snap-down latches secure the lid. You’ll appreciate the stackable design that saves storage space and prevents crushing. The heavy-duty handle guarantees comfortable transport during outdoor excursions.

Beyond .50 caliber ammunition storage, you can repurpose this versatile box for batteries, small tools, or accessories. With 511 customer reviews averaging 4.6 stars, users consistently praise its durability and spacious interior for the price point.

Best For: Hunters, outdoor enthusiasts, and range shooters who need a durable, portable container for ammunition storage and general organization of small items and accessories.

Pros:

• Water-resistant tongue-and-groove design protects contents from moisture, dust, and dirt
• Lightweight at 1.79 pounds with heavy-duty handle for easy transport to ranges and outdoor locations
• Stackable design saves storage space while the lockable latches provide security for valuable items

Cons:

• Not fully sealed against humidity, requiring DIY solutions for complete moisture protection
• Plastic hinges may not withstand heavy loads or blunt force impacts over time
• Locking mechanism has potential security vulnerabilities that could benefit from additional reinforcement

Factors to Consider When Choosing an Ammo Storage Container

When I’m selecting an ammo storage container, I evaluate five critical factors that directly impact performance and longevity. The material construction determines durability under stress, while waterproof sealing protects contents from moisture damage that can compromise ammunition integrity. I also consider storage capacity needs, security features for theft prevention, and stackable designs that maximize storage efficiency in limited spaces.

Material and Construction Quality

Since ammunition represents a significant investment that demands long-term protection, selecting containers with superior material and construction quality becomes critical to preserving your stockpile’s integrity. I recommend heavy-duty steel construction for maximum durability and impact resistance during long-term storage. Steel containers withstand crushing forces better than alternatives when stacked multiple units high. However, high-impact polypropylene plastic offers excellent portability benefits with reduced weight for transport situations.

Construction quality determines moisture protection effectiveness. Look for airtight designs featuring rubber seals or O-ring seals that prevent water infiltration. These sealing systems keep contents dry even in humid environments. Quality construction includes reinforced corners and robust locking mechanisms. Durable latches prevent accidental opening while security locks safeguard against tampering. Stackable designs with reinforced structures maximize storage space efficiency without compromising structural integrity under weight loads.

Waterproof and Airtight Sealing

Superior construction quality means little if moisture infiltrates your ammunition storage system and destroys your investment. I’ll focus on waterproof and airtight sealing as your primary defense against corrosion and misfires.

Quality containers feature rubber seals or gaskets that create tight barriers against air and water penetration. Double-latch mechanisms provide enhanced closure security. O-ring seals offer superior protection in challenging environments.

Airtight sealing maintains low humidity levels inside your container. This preservation method extends ammunition longevity considerably. Waterproof performance testing validates these protective capabilities under real-world conditions.

I recommend containers with tested sealing systems, especially for humid or wet storage locations. These features remarkably improve ammunition reliability over time. Your investment depends on selecting containers with proven waterproof and airtight performance specifications.

Storage Capacity Requirements

Ammunition stockpiles vary dramatically between casual shooters and serious collectors, making capacity assessment your first critical decision. I recommend calculating your total round count before selecting containers. Standard ammo cans range from 216 cubic inches for smaller boxes to 3,100 cubic inches for military surplus containers. You’ll need different capacities based on caliber requirements—.30 caliber rounds need less space than 50 caliber ammunition. Weight distribution matters considerably. Most containers handle 8-15 pounds maximum without structural stress. I suggest choosing containers with internal compartments for organization. These sections separate different ammunition types, streamlining retrieval during range sessions. Consider your storage space constraints carefully. Compact designs maximize tight spaces, while larger footprints offer superior storage versatility for extensive collections.

Security and Locking Features

While capacity determines how much ammunition you can store, security features protect your investment from theft and unauthorized access. I recommend containers with brass latches or padlock tabs for basic security. Multiple locking mechanisms provide enhanced protection by creating redundant barriers against tampering.

Look for tamper-proof features like snap latches or double padlock tabs. These systems maintain security during transport and storage. Heavy-duty latching mechanisms offer superior protection compared to standard closures. They prevent accidental openings that could compromise your ammunition’s safety.

Evaluate the structural integrity of closure systems carefully. Robust hardware withstands forced entry attempts better than lightweight alternatives. Check manufacturer warranties and satisfaction guarantees. These indicate confidence in security features and overall durability, helping you select containers that’ll protect your ammunition investment long-term.

Stackability and Space Efficiency

Efficient storage depends heavily on how well containers utilize available vertical and horizontal space in your storage area. I recommend prioritizing stackable designs with interlocking lids and reinforced edges. These features create stable vertical arrangements that won’t tip during transport or reorganization.

Compact dimensions matter greatly for space optimization. Look for containers that fit standard shelf depths while maintaining adequate internal volume. Flat lid designs maximize surface area for stacking multiple units securely.

Reinforced edges prevent structural failure under weight loads. Most quality containers support 50-100 pounds when properly stacked. This capability allows you to store substantial quantities in minimal floor space.

Stackability also improves organization efficiency. You can categorize different ammunition types in separate containers while maintaining a compact footprint in garages or closets.

Portability and Transport Handles

Beyond maximizing storage density, you’ll need containers that move easily when circumstances require relocation. A sturdy handle is essential for easy transport. I recommend seeking models with foldable or reinforced handles that improve carry comfort during extended movements.

Weight becomes critical when containers reach full capacity. Choose lightweight designs that remain manageable when loaded to prevent strain and injury. Stackable units often feature integrated handles that allow efficient transportation of multiple containers simultaneously.

The lid design greatly impacts portability. Look for locking latches that guarantee secure closure during movement while maintaining easy access. Container dimensions matter equally—verify your chosen unit fits within your intended transport method, whether that’s vehicle storage compartments or manual carrying for outdoor activities.

Corrosion and Rust Protection

Moisture poses the greatest threat to both ammunition and storage containers, making corrosion protection your primary concern when selecting secure storage. I recommend high-quality steel containers with protective coatings or durable plastic options that won’t rust. Look for airtight seals and O-ring gaskets—these prevent moisture ingress effectively.

Desiccant packs provide additional protection by absorbing excess humidity inside containers. I use silica gel packets rated for the container’s volume to maintain ideal moisture levels. Stackable designs with reinforced structures reduce wear points where protective coatings might chip, exposing bare metal to corrosive elements.

Inspect containers regularly for rust spots or seal degradation. Apply protective coatings when necessary to extend lifespan. Quality containers feature multiple moisture barriers—sealed lids, gasket systems, and corrosion-resistant materials work together to preserve ammunition integrity long-term.

Price Vs Durability Value

When you’re choosing between budget and premium ammo containers, resist the temptation to focus solely on upfront costs—the true value emerges from balancing initial investment against long-term performance. Budget plastic containers cost $20-30 but often fail under heavy loads. Heavy-duty metal units range $50-100, delivering superior durability and security. I’ve found that cheaper options work for light-duty storage but can’t withstand environmental stresses that cause rust and structural failure.

Premium containers with warranties signal manufacturer confidence in their products. This makes higher prices justifiable when you consider replacement costs. The cost-per-use calculation favors durable models—you’ll avoid frequent replacements and repairs. Quality materials resist moisture, dust, and corrosion better than budget alternatives, protecting your investment over years of use.

On a final note

Proper ammo storage protects your investment and guarantees safety. I’ve outlined containers that offer military-grade construction, weather resistance, and stackable designs. Consider your specific caliber requirements, storage capacity needs, and environmental conditions when selecting. Metal cans provide superior protection but weigh more than polymer options. Stackable designs maximize space efficiency. Whatever you choose, prioritize secure latching mechanisms and gasket seals. Your ammunition’s longevity depends on consistent protection from moisture and temperature fluctuations.