Best Waterproof Ammo Boxes of 2026

Paul Tilton Avatar
Paul Tilton
Last Updated: Jan 25, 2026

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Waterproof ammo boxes are essential for those who want to ensure the safety and protection of their ammunition. These sturdy and durable boxes are designed to keep ammunition dry and secure, even in the harshest conditions. With their waterproof and airtight seals, these boxes provide reliable protection against moisture, dust, and other environmental elements. Whether used for hunting, shooting competitions, or military operations, waterproof ammo boxes offer peace of mind and help prolong the lifespan of ammunition. Available in various sizes and styles, these boxes are a must-have for any avid shooter or outdoor enthusiast.

At a Glance: Our Top Picks

MTM ACR7-18 Ammo Crate Utility Box Cover #TOP 1
MTM ACR7-18 Ammo Crate Utility Box
ftb score rating icon 9.8
MTM Divided Ammo Crate Utility Box Cover #TOP 2
MTM Divided Ammo Crate Utility Box
ftb score rating icon 9.7
Plano Field Ammo Box .30 Caliber Cover #TOP 3
Plano Field Ammo Box .30 Caliber
ftb score rating icon 9.5

Top 10 Waterproof Ammo Boxes

#TOP 1

MTM ACR7-18 Ammo Crate Utility Box

MTM
ACR7-18
green
Large
MTM ACR7-18 Ammo Crate Utility Box Cover
MTM ACR7-18 Ammo Crate Utility Box, Ammo, survival or hunting gear storage, O-Ring seal for water resistant dry storage, Double padlock tabbed for security, Carries 65lbs of gear, Army Green

The MTM ACR7-18 Ammo Crate Utility Box is a large army green box that can carry up to 65 pounds of gear with two strong side handles. It has a stackable design and double padlock tabbed for security along with four tie-down points on the side. The water-resistant O-ring seal keeps your items dry and it is non-submersible. The exterior dimension is 17.2" x 10.7" x 9.2”(H) while the interior dimension is 12.4" x 8.4" x 8.5"(H). The latches mounted on the side make carrying easy. Made in USA.

What We Like
Spacious storage capacity
Durable construction
Water-resistant seal
Stackable design
Dual padlock compatibility
#TOP 2

MTM Divided Ammo Crate Utility Box

MTM
ACDC30
Dark Earth
ACDC30
MTM Divided Ammo Crate Utility Box Cover
MTM ACDC30, Divided Ammo Crate Utility Box, Water- Resistant, Stackable, Snap Latch, USA Made, Dark Earth

The MTM Ammo Crate Utility Box is the perfect solution for carrying and transporting multi-caliber ammo storage. With its spacious and compartmented interior, including three removable partitions, you can easily organize and access your ammunition. The water-resistant O-Ring seal adds an extra layer of protection, making it suitable for various weather conditions. Its stackable design with tie-down and strap-over points allows for easy storage and transportation. The strong snap latches and four padlock tabs ensure the security of your ammo. Additionally, the heavy-lift handles with a 75-lb carrying capacity make it convenient to transport. Made in the USA, this utility box has inside dimensions of 17.7” x 8.6” x 6.6” and outside dimensions of 21” x 11.2” x 7.5”.

What We Like
Excellent durability and strength
Affordable price point
Versatile storage uses
Water resistant protection
Multiple size options
#TOP 3

Plano Field Ammo Box .30 Caliber

PLA1312P
Black
Small
Plano Field Ammo Box .30 Caliber Cover
Plano Field Ammo Box .30 Caliber, Black, Lockable Ammunition Storage Box with Heavy-Duty Carry Handle, Small Plastic Ammo Crate, Water-Resistant Protection, Holds 6-8 Boxes of Ammo

The Plano Field Ammo Box is a durable and versatile ammunition storage solution. Made from heavy-duty materials, this plastic ammo storage box provides reliable protection for .30 caliber ammo during transport and storage. With a tough, snap-down latch and a padlock tab, it offers maximum security. The water-resistant tongue and groove connection protect the ammo from moisture, dust, and dirt. The stackable design saves space and the heavy-duty handle ensures a comfortable grip for easy transportation to the range or outdoors. Ideal for storing ammo, hunting or shooting gear, small tools, and other accessories, the Plano Field Ammo Box is a must-have for any outdoor enthusiast.

What We Like
Sturdy build quality
Space-saving stackable design
Lightweight and portable
Affordable price
Good storage capacity
#TOP 4

MTM 50 Cal Ammo Can

MTM
AC50C-40
Black
50-Caliber
MTM 50 Cal Ammo Can Cover
MTM AC50C-40 Ammo Can, 50-Caliber, Heavy-Duty Dual Latching System, Rugged Polypropylene Plastic, O-Ring Seal System, Water Resistant, Bulk Ammo Storage, USA Made, Black

The MTM 50 Cal Ammo Can, also known as the MTM Ammo Can, is a rugged and versatile storage solution for your ammunition. Made of durable polypropylene plastic, this ammo can is built to withstand the toughest conditions. With its comfortable handles, it is easy to carry and transport. The heavy-duty, dual latching system provides a super water-resistant seal, ensuring that your ammo stays dry even in wet environments. The double padlock tabs offer added security, while the stacking ridges allow for easy storage and organization. Whether you need to store your ammunition in basements, garages, or storage sheds, the MTM Ammo Can is an excellent choice. Made in the USA, this ammo can is built to last and protect your ammunition.

What We Like
Heavy duty construction
Waterproof rubber gasket
Stackable design
Large storage capacity
Secure locking latches
#TOP 5

MTM ACR4-18 Ammo Crate Utility Box

MTM
ACR4-18
Army Green
Medium
MTM ACR4-18 Ammo Crate Utility Box Cover
MTM ACR4-18 Ammo Crate Utility Box-Carry up to 65lbs of gear-Stackable design, double padlock for security - Water-resistant O-ring seal - Army Green

The MTM ACR4-18 Ammo Crate Utility Box, also known as the MTM Ammo Crate Box, is a versatile and durable storage solution for carrying up to 65 pounds of gear. With its stackable design and double padlock tabbed for security, this box provides convenience and peace of mind. The water-resistant O-ring seal ensures dry storage, making it perfect for outdoor activities. The two strong side handles allow for easy transportation, while the four tie-down points on the side provide added stability. Made in the USA, this utility box is built to last and is a reliable choice for storing and transporting your essentials.

What We Like
Durable and sturdy construction
Excellent airtight seal
Great for long term storage
Stackable design
Multiple uses beyond ammo storage
#TOP 6

HARDROCK Waterproof Ammo Can

AMMO CAN
Blackish green
30cal+50cal
HARDROCK Waterproof Ammo Can Cover
HARDROCK 30+50 AMMO Can Waterproof Metal –Army Green Ammo Box Steel –For Shotgun Rifle Nerf Ammunition suit 2pcs Christmas Gifts for Men,Gift boxes for Dad Husband

The HARDROCK Ammo Can is designed to keep your ammunition safe and secure. With an airtight and waterproof design, it effectively prevents moisture and dust from entering, ensuring your ammo remains rust-free. Made from durable steel, this can offers long-lasting protection for your valuables. Its portable design, featuring a hinged lid and foldable handle, makes it easy to transport and store in tight spaces. Additionally, the included desiccant pack helps absorb any moisture, enhancing the longevity of your stored items. This makes the HARDROCK Ammo Can a practical solution for all your ammunition storage needs.

What We Like
Sturdy metal construction
Waterproof and airtight design
Versatile for various storage needs
Compact size with carry handle
Good packaging during shipping
#TOP 7

MTM AC15-11 Mini Ammo Can

MTM
AC15-11
Green
(Pack of 1)
MTM AC15-11 Mini Ammo Can Cover
MTM AC15-11 Ammo Can Mini for Bulk Ammo, Water-Resistant Seal, Double Padlock Tabs, 12-Pound Capacity, USA Made, Forest Green

The MTM Mini Ammo Can is designed to keep your essentials dry and safe. With its military-style construction, this can is perfect for storing ammunition, emergency supplies, medical gear, batteries, and tools. The water-resistant O-ring seal ensures that your items remain protected from moisture, making it an ideal choice for outdoor use. The heavy-duty latching system enhances the seal and provides added security, while the comfortable handle allows for easy transport. Additionally, it features double padlock tabs for extra protection, ensuring your valuables stay secure wherever you go.

What We Like
Water-resistant storage
Heavy-duty latching system
Portable and stackable design
Secure double padlock tabs
#TOP 8

MTM AC11 Ammo Can

MTM
AC11
Forest Green
Original Version
MTM AC11 Ammo Can Cover
MTM AC11 Ammo Can for Bulk Ammo, Lockable, Water-Resistant, Heavy-Duty Dual Latches, Double Padlock Tabs, USA Made, Forest Green

The MTM AC11 Ammo Can, also known as the MTM Ammo Can, is a high-quality storage solution for bulk ammo. Its water-resistant O-ring seal ensures that your ammo stays dry, although it is not submersible. The can features a strong comfortable handle and triple padlock tabs for added security. The heavy-duty dual latching system not only provides a better seal but also reduces the chances of accidental opening. Made of rugged polypropylene plastic, this ammo can is designed for stacking and is proudly made in the USA. With outside dimensions of 15.3" x 9.2" x 9" and inside dimensions of 12.5" x 7.5" x 7.2", it offers ample space to store your ammunition.

What We Like
Water-resistant
Strong handle
Triple padlock tabs
#TOP 9

Plano Shot Shell Ammo Storage Box

121202
OD Green
Small
Plano Shot Shell Ammo Storage Box Cover
Plano Shot Shell Box, OD Green, Lockable Ammunition Storage Box with Heavy-Duty Carry Handle, Small Plastic Ammo Storage, Water-Resistant Protection, Holds 4 Boxes of Ammo

The Plano Ammo Storage Box is designed to keep your shot shells organized and protected, making it easier for you to transport your ammunition safely. Its sturdy plastic build and brass latch ensure your ammo stays secure whether you're at home or on the move. You can lock the box for added security, giving you peace of mind when storing not only ammo but also hunting gear or small tools. Plus, the water-resistant seal keeps moisture out, so your ammo stays dry and in good condition no matter the weather.

What We Like
Durable plastic construction
Lockable latch for security
Water-resistant seal
Organizes multiple ammo boxes
#TOP 10

MTM ACR5-72 ACR5 Ammo Crate Utility Box

MTM
ACR5-72
Brown
Medium
MTM ACR5-72 ACR5 Ammo Crate Utility Box Cover
MTM ACR5-72 Ammo Crate Utility Box, Ammo, survival or hunting gear storage, O-Ring seal for water resistant dry storage, Double padlock tapped for security, Carries 85lbs of gear

The MTM ACR5-72 ACR5 Ammo Crate Utility Box is a versatile storage solution that can carry up to 85 pounds of gear. The crate features two strong side handles for easy transportation, and four tie-down points on the sides to keep it secure in transit. The stackable design and double padlock tabbed for security make it easy to store and keep your items safe. Additionally, the water-resistant O-ring seal ensures your items stay dry in wet conditions.

What We Like
Strong and durable construction
Various sizes available
Moisture seal feature
Stackable design
Excellent for ammo storage
Buying Guide Image
Editor's Notes

During our waterproof ammo boxes research, we found 24 waterproof ammo boxes products and shortlisted 10 quality products. We collected and analyzed 159,791 customer reviews through our big data system to write the waterproof ammo boxes list. We found that most customers choose waterproof ammo boxes with an average price of $16.18.

The waterproof ammo boxes are available for purchase. We have researched hundreds of brands and picked the top brands of waterproof ammo boxes, including MTM, Plano, HARDROCK. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Paul Tilton Avatar

Paul Tilton is a fitness enthusiast. He doesn't like to work in front of a computer screen so he quit his job and runs a gym in Washington. He spent a lot of time on the road and has been a contributing writer for a well-known travel guide website. He is now happy to share his travel experience and professional knowledge of travel gear and fitness here.