Is the MTM Ammo Crate Utility Box (ACRG18) completely waterproof for river crossings or marine use?

No, the ACRG18 features a built-in tongue-and-groove lid with a rubber O-ring gasket designed to protect contents against dust, dirt, and heavy rain, but it is explicitly non-submersible. For applications requiring prolonged submersion, an IP67 or IP68 pressure-equalised hard case must be used instead.

What are the exact internal and external storage dimensions of the ACRG18 crate?

The crate offers a generous 52 US Quarts (approx. 49.2 Litres) of single-compartment capacity. Its exterior dimensions measure 28.2 inches long by 16.9 inches wide by 11.5 inches high, while the interior provides 23.2 inches of length, 12.6 inches of width, and 10.4 inches of depth.

How can I secure the ACRG18 utility box to a roof rack or ute tray for outback driving?

The crate comes equipped with four dedicated tie-down anchor points and robust integrated side-carry handles, making it simple to strap securely onto 4WD ute trays, roof racks, or ATV and UTV side-by-side platforms for rough unsealed tracks. Additionally, molded padlock tabs allow you to lock the lid down during transit.

Can the ACRG18 be stacked with other MTM storage crates in our workshop or vehicle?

Yes, the ACRG18 is designed to seamlessly nest and stack with MTM's wider crate system, including the ACDC50 series and other large MTM ammo or utility crates, helping you maximise vertical storage space in your garage or vehicle.

Ammo Utility Box - MTM Case-Gard ACRG18

The MTM Case-Gard ACRG18 Ammo Crate Utility Box is a high-capacity, heavy-duty utility storage box designed to transport and protect gear in harsh outdoor environments. Constructed from impact-resistant, high-density reinforced polypropylene, it provides an undivided 52 US Quarts (approximately 49.2 Litres) of internal volume. It features a built-in tongue-and-groove lid fitted with a rubber O-ring gasket to protect bulk ammunition, tools, and overlanding equipment from dust, dirt, and heavy rain during transit in 4WD ute trays, on roof racks, or at basecamps.

Key Features

Weather-Resistant O-Ring Seal: Built-in tongue-and-groove lid with a large rubber O-ring gasket seals out fine dust, debris, and rain splashes.
Secure Mounting Points: Moulded with four dedicated tie-down anchor points and heavy-duty integrated side-carry handles for strapping to ute tubs, roof racks, and utility vehicles.
Stackable Design: Engineered to nest and securely stack alongside compatible MTM crate systems, including the ACDC50 series.
Padlock Compatible: Features integrated padlock tabs to allow secure locking during transport or storage.

Specifications

Storage Capacity: 52 US Quarts (approx. 49.2 Litres)
Exterior Dimensions: 28.2 in L × 16.9 in W × 11.5 in H (71.6 cm × 42.9 cm × 29.2 cm)
Interior Dimensions: 23.2 in L × 12.6 in W × 10.4 in H (58.9 cm × 32.0 cm × 26.4 cm)
Empty Weight: Approximately 6.58 lbs (approx. 2.98 kg)
Material: High-density reinforced polypropylene
Colour: Army Green
Power Requirements: None (passive storage)

Who is the MTM Ammo Crate Utility Box for?

4WD and Overlanding Enthusiasts — Organises bulky camp gear and tools inside an undivided 52 US Quarts (approx. 49.2 Litres) utility box that seals against dust and rain when strapped to exposed ute trays or roof racks.
Hunters and Shooters — Transports factory ammo boxes or loose bulk ammunition across rough unsealed tracks inside a reinforced polymer crate measuring 23.2 in L × 12.6 in W × 10.4 in H internally to accommodate long shooting accessories.
ATV and UTV Operators — Secures equipment directly onto vehicle cargo beds using four dedicated tie-down anchor points on a crate with an empty weight of approximately 6.58 lbs (2.98 kg).

Less suitable for: Prolonged marine submersion or extended foot-carry hiking across long distances; applications requiring complete underwater submersion require an IP67 or IP68 pressure-equalised hard case, while mobile foot travel is better served by a lightweight internal-frame backpack.

SKU	MM41117LP
Model #	ACRG18
Brand	Mtm Case-Gard
Shipping Weight	1.0000kg

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Mtm Case-Gard Acrg18 Ammo Crate Utility Box 52 Quart

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