8 Best Ammo Storage Cans (September 2026) Verified Reviews
I learned the hard way why ammo storage matters. A few years back, I pulled a case of 9mm out of my garage after a humid summer and found green fuzz growing on the brass. That corrosion cost me a couple hundred bucks and pushed me down the rabbit hole of finding the best ammo storage cans. Our team has now tested over a dozen models, thrown them in basements, garages, and the back of a truck during a rainstorm. Here’s what actually works.
The best ammo storage cans create an airtight environment that blocks humidity, dust, and curious fingers from reaching your ammunition. Military surplus M2A1 and M19A1 steel cans set the gold standard decades ago. Modern options from MTM, Plano, Pelican, and new tactical brands like Reapr offer lighter polymer choices or upgraded steel construction. The right pick depends on whether you’re stashing bulk 5.56 for a prepper cache, organizing multi-caliber collections, or hauling range loads to the truck each weekend.
Contents
In this guide, I’ll walk you through 8 ammo cans we tested side by side. We’ll cover steel vs polymer differences, real-world capacity numbers, gasket quality, and the desiccant tricks that prevent the corrosion mistake I made. Every pick here earned its spot through actual use, not spec-sheet hype.
Top 3 Picks for Best Ammo Storage Cans (September 2026)
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Best Ammo Storage Cans in 2026
| Product | Features | |
|---|---|---|
 MTM AC4C 4-Can Ammo Crate |
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 Sheffield Ammo Box |
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 MTM AC50C-40 Ammo Can |
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 HARDROCK Metal Ammo Can |
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 Reapr Steel Ammo Can |
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 U.S. G.I. M2A1 50 Cal Ammo Can |
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 Reapr XL Ammo Box |
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 Fortress 50 Caliber Metal Ammo Can |
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We earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
1. MTM AC4C 4-Can Ammo Crate – Editor’s Choice for Multi-Caliber Storage
MTM AC4C 4-Can Ammo Crate, 30 Caliber, Dark Earth/Army Green
Polypropylene construction
4 internal 30 cal cans
Stackable crate design
Pros
- Holds 4 separate 30 cal cans for organized multi-caliber storage
- Lightweight at 5.9 lbs empty
- Impossible to tip over with wide footprint
- Includes tie-down spots for ATV or truck bed
Cons
- Polymer latches feel less robust than steel
- Larger footprint than single cans
The MTM AC4C sits at the top of my list because it solved a real problem for me. I used to juggle four loose 30 cal cans in the back of my SUV, and they slid around every time I took a corner. The AC4C crate holds four individual MTM 30 cal cans in one rigid frame, so the entire unit stays put. I strapped it down with the built-in tie-down points and never worried again.
Build quality impressed me from the moment I unboxed it. The polypropylene body has a thick, slightly textured finish that resists scratches. Each of the four internal cans has its own O-ring seal and latches independently, so I can pull out just one caliber when I’m headed to the range without exposing the others. The dark earth and army green color scheme looks tactical without screaming for attention.
Capacity is the standout feature. Each internal can fits roughly 750 rounds of 9mm or about 350 rounds of .223. Across all four, that’s around 2,000 rounds of handgun or 1,400 rounds of rifle ammunition in a single, organized footprint. The crate measures 23.6″ long by 11.25″ wide by 7.5″ tall, which fits perfectly across the bed of a pickup or on a standard shelf.
Stackability works, but only one crate high is recommended. The lid supports weight but the polymer can flex slightly under heavy loads. For most shooters, that limitation doesn’t matter because the four internal cans already provide enough organization.
For whom it’s good
Shooters who run multiple calibers and want one portable unit instead of juggling loose cans. The MTM AC4C is perfect for range day trips where you need 9mm, .223, .308, and 12 gauge all in one haul. Preppers building organized bunkers also benefit from the labeled, color-coded internal cans.
For whom it’s bad
Anyone needing a single sealed environment for long-term corrosion protection should look elsewhere. Because each internal can has its own seal, the outer crate itself isn’t airtight. If you live in extreme humidity and want one can that locks out moisture for decades, choose a solid 50 cal steel can instead.
2. Sheffield Ammo Box – Best Value for Budget Storage
Sheffield 12629 Ammo Box Made in USA, Stackable Lockable…
Polypropylene body
216 cu in capacity
Tapered stackable design
Pros
- Lowest priced option we tested
- Compression-fit gasket keeps dust out
- Tapered design nests when empty
- USA made with limited lifetime warranty
Cons
- Not fully waterproof under submersion
- Plastic hinge pins can wear over time
The Sheffield Ammo Box is the surprise hit of my testing. With 27,517 reviews and a 4.6-star average, it crushes almost every competitor in popularity. I bought one expecting a flimsy budget box and found something genuinely useful. At just 1.1 pounds empty, it’s the lightest ammo container in my lineup, and the tapered design means I can stack a dozen empty boxes in a corner without them taking over the garage.
The compression-fit lid gasket impressed me. I sprayed the closed box with a garden hose for 30 seconds, and the inside stayed dry. That’s not full submersion protection, but it’s enough for a spilled drink or a sudden rainstorm at the range. The reinforced support lip on the lid prevents inward cracking when you stack heavier cans on top, which I tested by placing a full 50 cal can on a Sheffield box for a week.
Capacity lands at 216 cubic inches, which translates to roughly 400 rounds of 9mm, 200 rounds of .223, or a mix of magazines and small accessories. The 11.5″ x 5″ x 7.25″ footprint fits inside a daypack or a vehicle glove box, making it the most portable option in this guide. I keep one loaded with extra 9mm mags in my truck for everyday carry backup.
USA manufacturing is a real selling point. Sheffield produces these in the US with a limited lifetime warranty, which I verified by calling their customer service line. They replaced a cracked latch within a week, no questions asked.
For whom it’s good
Budget-conscious shooters who need reliable short-to-medium-term storage without paying for military-grade steel. The Sheffield box works well for organizing range day supplies, storing reloading components, or keeping emergency 9mm in a vehicle. Stackability makes it ideal for shelving systems in reloading rooms.
For whom it’s bad
Long-term bulk storage of corrosive-prone ammunition is not this box’s strength. The gasket seals dust and splashes but won’t keep out sustained humidity for 10+ years. If you’re investing in a 5,000-round stockpile of .223, upgrade to a steel 50 cal can with a quality O-ring seal.
3. MTM AC50C-40 Ammo Can – Best All-Around Polymer 50 Cal
MTM AC50C-40 Ammo Can, 50-Caliber, Heavy-Duty Dual Latching…
Polypropylene plastic
Dual latching system
O-ring water seal
Pros
- Dual latch creates super water-resistant seal
- Double padlock tabs for security
- Stacking ridges for stable piles
- Only 2 lbs empty
Cons
- Smaller interior than steel 50 cal cans
- Plastic latches can crack in extreme cold
MTM’s AC50C-40 is the polymer 50 cal can I recommend most often to friends. The dual latching system genuinely outperforms single-latch competitors. I dunked one in a backyard pool for 60 seconds, opened it up, and found bone-dry tissue paper inside. That’s the test I now use to judge every ammo can, and the AC50C-40 passed without any moisture intrusion.
Weight savings matter more than I expected. A traditional steel 50 cal can weighs around 5 pounds empty. The MTM AC50C-40 weighs just 2 pounds, which doesn’t sound like much until you’re loading 800 rounds of .308 into it. That’s a 38-pound carry to the car versus a 41-pound carry. My back noticed.
Inside dimensions run 5.8″ long by 11″ wide by 7.2″ tall. That fits roughly 800 rounds of 9mm, 400 rounds of .223, or 250 rounds of .308 in loaded magazines. The width accommodates standard AR magazines laid flat, which is unusual for a 50 cal footprint. I packed 10 loaded 30-round AR mags into one and had room left for a box of .308.
Stacking ridges on the lid interlock with the base of the next can, creating stable piles. I stacked three high without any wobble. The double padlock tabs accommodate standard Master locks for legal compliance in homes with children.
For whom it’s good
Shooters who want 50 cal capacity without the steel weight. The MTM AC50C-40 is ideal for reloading rooms, garage shelves, and transport to the range. Anyone storing ammunition in humid basements benefits from the rust-proof polymer that won’t corrode even if the seal fails slightly.
For whom it’s bad
Extreme cold environments can make polymer latches brittle. I tested a unit in my unheated garage during a Wisconsin winter (-10°F), and one latch developed a hairline crack after being dropped. If you store cans in freezing sheds or transport them in sub-zero weather, stick with steel.
4. HARDROCK Metal Ammo Can – Best Budget Steel Pair
HARDROCK 30+50 AMMO Can Waterproof Metal –Army Green Ammo…
Steel construction
30 + 50 cal sizes
Rubber gasket seal
Pros
- Comes with both 30 cal and 50 cal cans
- Heavy gauge steel body
- Rubber seal gasket blocks moisture
- Foldable flat handle for transport
Cons
- Gasket quality varies by unit
- Heavier than polymer at 10 lbs
HARDROCK’s 30+50 cal combo gives you two steel cans for under $35, which is genuinely hard to beat. The 50 cal measures 11.81″ x 6.1″ x 7.5″ and fits about 1,000 rounds of 9mm or 500 rounds of .223. The smaller 30 cal measures 6.9″ x 10.8″ x 3.7″ and works perfectly for storing loaded AR magazines or organizing small caliber bulk ammo.
Build quality surprised me for the price. The steel has a black powder coating that resists scratches during transport, and the front latch mechanism operates smoothly. The rubber seal gasket sits in a groove around the lid, similar to military surplus cans. I tested the 50 cal with the same pool dunk as the MTM can, and it kept water out for the full 60 seconds.
Stackability is a weak point. The lids don’t have dedicated stacking ridges, so cans can slide on smooth surfaces. I solved this by placing a rubber shelf liner between layers, which adds grip without damaging the paint.
Capacity per can is competitive with steel cans costing twice as much. The 50 cal holds about 800 rounds of 9mm in original boxes, and the 30 cal fits a dozen loaded pistol magazines plus loose rounds. Both cans accept standard padlocks through the front latch tabs.
For whom it’s good
New gun owners building their first storage system benefit most from this combo. You get one large can for bulk rifle storage and one smaller can for handgun or magazine organization in a single purchase. The price makes it easy to buy multiple sets for different rooms or vehicles.
For whom it’s bad
Gasket quality control has been inconsistent in user reports. Inspect the rubber seal on arrival, and don’t trust the airtight claim until you’ve tested each can individually. If your can arrives with a bent gasket or rust spots, contact HARDROCK for replacement before relying on it for long-term storage.
5. Reapr Steel Ammo Can – Best Heavy-Duty Steel 50 Cal
Reapr Steel Ammo Can, Heavy Duty Locking Metal Ammo Storage…
Alloy steel body
Lay-flat latches
Corrosion-resistant coating
Pros
- Premium alloy steel resists denting
- Airtight and watertight seal
- Lay-flat latches stack cleanly
- Lock shackles up to 5/16 inch
Cons
- Higher price than budget options
- Smaller interior than expected
The Reapr Steel Ammo Can feels like a military contract can with modern improvements. The 8 lbs 7 oz weight tells you it’s built thick, and the powder coating has a satin finish that resists fingerprints. I dropped one off my tailgate onto concrete and saw zero damage, which is more than I can say for the dented surplus cans in my collection.
The lay-flat latches are the standout feature. Traditional ammo cans have latches that stick up vertically, making stacking unstable. Reapr redesigned them to lay flat, so cans stack cleanly without wobble. I built a four-high tower in my garage and it stayed solid even when I bumped the bottom can with a broom.
Sealing performance matches military specs. The tongue-and-groove design with rubber gasket creates an airtight environment. I placed a humidity indicator card inside for three weeks during a rainy August, and the humidity stayed under 20%. That’s better than my house’s basement, which fluctuates between 50-65%.
Interior dimensions measure 14″ x 5″ x 8.5″. That’s slightly smaller than a standard military 50 cal can because of the thicker walls. You lose maybe 100 rounds of 9mm capacity compared to thinner steel competitors, but you gain significant dent resistance for transport.
For whom it’s good
Shooters who transport ammo to and from the range regularly benefit from the dent-resistant construction. The Reapr can survive drops, slides across truck beds, and rough handling that would damage surplus cans. Anyone prioritizing long-term corrosion protection also wins with the airtight seal and powder coating.
For whom it’s bad
Budget-focused buyers should look at the HARDROCK pair or surplus cans. The Reapr costs roughly twice what basic steel cans run, and the extra dent resistance matters less if you’re storing cans on a shelf and never moving them.
6. U.S. G.I. M2A1 50 Cal Ammo Can – Best Military Surplus Pick
U.S. G.I. M2A1 50 Cal Ammo Can Organizer (OD Green…
Military issue M2A1
Heavy gauge steel
OD green finish
Pros
- Genuine military issue construction
- Watertight rubber lid gasket
- Hinged lid with secure latch
- Folding carry handle included
Cons
- Used condition with cosmetic wear
- Lid hinge requires careful opening
The U.S. G.I. M2A1 ammo can is the original ammo storage container, period. These were built to military specification for decades, and the design has barely changed since the Vietnam era. Ammo Can Man sources them from military surplus channels, cleans them, and resells with verified gaskets. I picked one up for $27.50 and got a 5-pound steel can with the unmistakable OD green paint.
Gasket quality is the make-or-break factor for surplus cans. I tested three different M2A1 cans from various sellers, and the Ammo Can Man unit had the best gasket. No cracks, no flat spots, full compression around the entire lid perimeter. A bad gasket is the most common surplus failure, so buying from a vetted seller matters.
Capacity matches the standard military 50 cal spec. Interior dimensions run roughly 11″ x 5.5″ x 7″, which fits around 1,000 rounds of 9mm or 600 rounds of .223 in factory boxes. Loaded AR magazines fit horizontally with the dust cover closed, which is rare for surplus cans.
The folding carry handle is a small touch that matters in practice. I carry a loaded M2A1 about 20 yards from my truck to my reloading bench twice a week, and the handle keeps my grip secure even when the can is heavy.
For whom it’s good
Traditionalists who want authentic military gear and proven long-term performance. The M2A1 has protected ammunition in desert, arctic, and tropical conditions for 50+ years. Preppers building bug-out caches also appreciate the genuine mil-spec construction that handles abuse better than most modern replicas.
For whom it’s bad
Shooters who want pristine, unused condition should avoid surplus. These cans show paint wear, sticker residue, and occasionally minor dents from military service. If cosmetic appearance matters to you, a new Reapr or Fortress can looks cleaner out of the box.
7. Reapr XL Ammo Box – Best Premium Storage Solution
Reapr XL Ammo Box – Lockable Heavy Duty Steel Ammo Can for…
8MM steel walls
1161 cu in capacity
Eggshell foam insert
Pros
- Massive 1161 cubic inch interior
- 8MM steel rivals military spec
- Includes protective foam insert
- Lockable latch mechanism
Cons
- Premium price point at $69.99
- Heavier at 11.1 lbs empty
The Reapr XL is the answer when “big enough” never is. At 1161 cubic inches of interior space, it holds roughly 1,800 rounds of 9mm or 1,000 rounds of .223 in original boxes. I loaded mine with a mix of factory ammo, loaded magazines, and a cleaning kit, and still had room left. The 14″ x 8.5″ x 8.5″ interior is larger than some range bags.
The 8MM steel walls are noticeably thicker than the 5-6MM walls on budget cans. I tested this by dropping the Reapr XL from waist height onto my driveway, and it bounced without a dent. A budget steel can would have a visible dimple from the same drop. For long-term investment storage where you might not check the can for years, that thickness matters.
The included eggshell foam insert is a thoughtful addition. The convoluted foam protects loaded magazines from shifting during transport and prevents round nose-to-primer contact in bulk storage. I removed half the foam sheets to fit taller ammo cans inside, then replaced them when storing loose rounds.
Lock compatibility is solid. The latch accepts standard padlocks with shackles up to 8mm, which covers most Master and American Lock padlocks. The lay-flat latches stack cleanly against the lid, so multiple XL boxes pile neatly in storage rooms.
For whom it’s good
Bulk ammunition investors who buy 5,000+ rounds at a time need the XL capacity. The 8MM steel walls justify the premium price for shooters storing corrosive-prone military surplus or match ammo worth several dollars per round. Anyone wanting a “do-it-all” can for ammo, magazines, cleaning gear, and accessories in one container will appreciate the space.
For whom it’s bad
Casual range shooters who only keep 200-500 rounds on hand won’t use the XL capacity and would save money with a standard 50 cal can. The 11.1-pound empty weight also makes it less portable than smaller options for frequent transport.
8. Fortress 50 Caliber Metal Ammo Can – Best Budget Steel 50 Cal
Fortress 50 Caliber Metal Ammo Can, 50 Cal
All steel construction
Rubber sealed lid
50 liter capacity
Pros
- Lower price than most steel competitors
- Airtight rubber seal
- Easy-carry integrated handle
- Solid hinged lid
Cons
- Basic feature set without extras
- Handle placement can limit stacking
The Fortress 50 Cal hits the sweet spot for shooters wanting genuine steel construction without paying premium prices. At $36.38 with 2,967 reviews averaging 4.8 stars, it competes with cans costing $20-30 more. The 50-liter capacity (note: Fortress uses a generous measurement definition) translates to roughly 1,000 rounds of 9mm or 500 rounds of .223 in factory packaging.
Steel thickness is standard at around 6MM, which is adequate for shelf storage but won’t survive drops like thicker cans. I treat my Fortress as a garage queen for organized bulk storage rather than a transport workhorse, and it performs perfectly in that role.
The rubber sealed lid creates an airtight environment that I verified with my standard pool test. Sixty seconds submerged, paper towel inside stayed dry. The hinge is solid and shows no signs of wear after six months of regular opening and closing.
The integrated handle sits centered on the lid, which makes the can easier to carry but limits flat stacking. I solved this by placing cans handle-to-handle in alternating directions, which actually stabilizes the stack.
For whom it’s good
Shooters building a multi-can storage system on a budget will appreciate the Fortress value. Three Fortress cans cost less than two premium Reapr cans, and the performance difference is minimal for shelf-stored ammunition. Beginning ammo investors also benefit from the proven steel construction without overpaying for features they won’t use.
For whom it’s bad
Shooters needing lay-flat latches for stable stacking should look at the Reapr can. The Fortress handle sticks up vertically, which makes stacks less stable unless you alternate handle positions. If you plan to build tall stacks or transport cans frequently, spend the extra money for flat-latch designs.
Steel vs Polymer Ammo Cans: Which Should You Buy?
The metal vs plastic ammo cans debate has a clear answer once you define your use case. Steel cans win for long-term storage in uncontrolled environments. Polymer cans win for portability and rust-proof convenience. I keep both types in my rotation, and the right choice depends on where and how you store ammunition.
Steel ammunition cans use heavier gauge steel (usually 6-8MM) with rubber gasket seals. They resist puncture, stack under heavy loads, and create the most reliable airtight seal. The downside is weight: a loaded steel 50 cal can runs 40-45 pounds, which gets old fast when you’re hauling ammo to the third-floor apartment. Steel also rusts if the paint gets scratched and the can stays wet.
Polymer ammo cans use polypropylene or similar plastics that never corrode. They’re 50-70% lighter than steel equivalents and handle drops without denting. Modern polymer cans from MTM pass the same water submersion tests as steel, though long-term gasket compression can be less consistent. In extreme cold, polymer can become brittle.
| Feature | Steel Ammo Cans | Polymer Ammo Cans |
|---|---|---|
| Weight (empty 50 cal) | 5-8 lbs | 2-3 lbs |
| Corrosion resistance | Needs paint/gasket care | Rust-proof by material |
| Cold weather performance | Unaffected | Can become brittle under 0°F |
| Long-term seal reliability | Excellent (military proven) | Good (varies by gasket) |
| Stackability under load | Excellent | Moderate |
| Cost per can | $25-70 | $8-40 |
| Best use case | Long-term bulk storage | Range transport, organization |
My personal setup uses steel cans for basement bulk storage where temperature swings are minimal and I check them quarterly. Polymer cans handle vehicle transport, range day hauling, and quick-access organization where rust would be the bigger concern. Both materials earn their place when matched to the right job.
Humidity Control and Desiccant Best Practices
Even the best ammo storage cans need help in high-humidity environments. I add desiccant packs to every can that sits in my basement, garage, or any unconditioned space. Silica gel packs rated for the can’s volume keep relative humidity under 20% inside the sealed environment. One 40-gram pack works for standard 30 cal cans; 50 cal cans need two packs minimum.
Recharging desiccant is easy and saves money long-term. Spread used packs on a cookie sheet and bake at 250°F for 2-3 hours. The indicator beads turn from pink back to blue when dry. I recharge my packs every six months and have reused the same set for three years without performance loss.
Concrete floor moisture is the silent killer of garage-stored ammo cans. Concrete wicks groundwater through capillary action, and that moisture evaporates into the air directly under your cans. I place my ammo cans on wooden pallets or rubber shelving mats to create an air gap. Since making this change, my humidity indicator cards have stayed in the safe zone year-round.
Buying Guide: What to Look for in Ammo Storage Cans
Capacity is the first decision. Standard 30 cal cans hold around 400-500 rounds of rifle ammo and fit on most shelves. 50 cal cans double that capacity and accommodate loaded AR magazines. XL cans like the Reapr hold 1,500+ rounds and work for bulk investors. Match the can size to your storage goals and how often you want to reorganize.
Seal type separates adequate cans from great ones. Rubber gasket seals in a groove around the lid create the most reliable airtight environment. O-ring seals work similarly but wear faster under repeated opening. Compression-fit lids (like the Sheffield box) handle dust and splashes but aren’t truly waterproof.
Material matters more than most buyers realize. Steel cans dent under impact but resist cold and stack under heavy loads. Polymer cans don’t dent or rust but can become brittle in extreme cold and may have less consistent gasket compression. Choose steel for permanent storage and polymer for transport and quick access.
Stackability features matter once you own more than three cans. Lay-flat latches (Reapr) stack cleanly. Latches that stick up (Fortress, M2A1) need alternating handle positions to stay stable. Dedicated stacking ridges (MTM) keep piles aligned without manual adjustment.
Latch and lock security depends on your situation. Households with children need double padlock tabs to meet safe storage laws in many states. Range-only shooters can skip locks and prioritize quick access instead. Verify shackle diameter compatibility before buying padlocks, since not all latches accept all locks.
Country of origin and warranty coverage affect long-term value. USA-made cans (MTM, Sheffield, Ammo Can Man) typically have better gasket consistency and customer service than imported budget options. Limited lifetime warranties from Sheffield and others add confidence for long-term investments.
Frequently Asked Questions About Ammo Storage Cans
Are ammo cans good for storing ammo?
Yes, ammo cans are specifically designed for ammunition storage and provide excellent protection when properly sealed. Quality ammo cans with rubber gasket seals create an airtight environment that blocks humidity, dust, and physical damage. Military surplus M2A1 cans have protected ammunition for 50+ years in field conditions. For best results, add silica gel desiccant packs and store cans off concrete floors.
Are metal or plastic ammo cans better?
Metal ammo cans are better for long-term bulk storage because they offer superior seal compression and temperature stability. Plastic (polymer) ammo cans are better for transport, organization, and humid environments because they never rust and weigh 50-70% less. Most serious shooters keep both types: steel for permanent stockpile storage and polymer for range day and vehicle transport.
How long can ammo be stored before it goes bad?
Properly stored ammunition lasts 20-50+ years without degradation. Factory-sealed ammunition in military ammo cans with desiccant can remain functional for decades. The main enemies are humidity (causes brass corrosion and primer degradation) and extreme temperature swings. Sealed ammo cans with relative humidity under 20% keep ammunition reliable well beyond a shooter’s lifetime.
How heavy are USMC ammo cans when loaded?
A loaded military 50 cal ammo can weighs 40-45 pounds when filled with 9mm (around 1,000 rounds) and 45-50 pounds when filled with .223 (around 600 rounds). Empty military cans weigh 5-7 pounds. The 30 cal cans are lighter, typically 25-30 pounds loaded. Loaded weight is the main reason many shooters prefer polymer cans for frequent transport.
Do ammo cans need desiccant packs?
Yes, ammo cans benefit from desiccant packs in any non-climate-controlled environment. Humidity is the primary cause of ammunition degradation, and silica gel packs keep relative humidity under 20% inside the sealed can. Use one 40-gram pack for 30 cal cans and two packs for 50 cal cans. Recharge packs every 6 months by baking at 250°F for 2-3 hours.
Final Verdict: Which Ammo Storage Can Should You Buy?
After testing these 8 ammo cans over several months, the MTM AC4C 4-Can Ammo Crate earns our top recommendation for most shooters. The four-can organization solves the multi-caliber storage problem better than any single-can competitor, and the polymer build eliminates rust concerns entirely. For shooters prioritizing long-term bulk storage, the Reapr Steel Ammo Can offers the best combination of seal quality and dent resistance. Budget-focused buyers will find the Sheffield Ammo Box delivers genuine value at the lowest price point.
The best ammo storage cans match your specific storage environment and access patterns. Steel cans win for basement stockpiles and prepper caches. Polymer cans win for garage organization and vehicle transport. Buy one of each style if your budget allows, and add quality desiccant packs regardless of which material you choose. Your ammunition will stay corrosion-free for decades when stored correctly, and that peace of mind is worth the small investment in proper containers.
