The “Ammo Can Field Box Ammunition Case 30-Cal Military Plastic Non-Metal Waterproof” is a 30 caliber–style ammo storage box made from durable plastic/polymer instead of steel, designed to mimic traditional military ammo cans while being lighter and rust-proof.

🔧 Key features

Size: 30-cal ammo can format (compact field box style)

Material: Heavy-duty polymer / plastic (non-metal) construction

Seal: Usually includes a rubber O-ring or gasket lid for water resistance

Closure: Strong latch system with lockable tab (padlock compatible on many versions)

Handle: Fold-down carry handle for portability

Purpose: Ammunition storage, survival kits, tools, electronics, general gear storage

💧 Waterproof & durability

Designed to be water-resistant or “element-proof”, keeping contents dry with a sealed lid

Plastic construction means:

No rust or corrosion (unlike steel cans)

Lighter weight for transport

Less “military surplus toughness,” but still impact-resistant

📦 Typical capacity

Fits about 6–8 boxes of .30 caliber ammo (or similar small arms ammo)

👍 Advantages

Lightweight compared to steel ammo cans

Waterproof seal for moisture protection

Stackable and easy to carry

Good for range bags, bug-out kits, or home organization

⚠️ Limitations

Not as crush-proof or fire-resistant as metal military cans

Seal quality varies by brand (some are only “water-resistant,” not fully waterproof under submersion)

Hinge/latch durability is usually lower than steel M2/M19A1 cans

🧠 Simple summary

It’s basically a modern plastic version of a military ammo can—great for keeping gear dry and organized, but lighter-duty than the classic steel ones.