Will my .45-70 Government cartridges fit in the MTM RF22-SM-10 without hitting the lid?

Yes, this ammo box is specifically designed to accommodate .45-70 Government, .450 Marlin, and short magnum cartridges like the .300 WSM. It supports a maximum cartridge overall length (Max OAL) of 3.14 inches, which easily handles standard hunting loads for these calibres.

How does the polypropylene material hold up against harsh Australian outback conditions and rough transport?

The high-density polypropylene construction is engineered to resist warping, cracking, and peeling during regular outdoor exposure in extreme heat and dusty environments. It also features a textured exterior for a secure, non-slip grip when handling the box with wet or sweaty hands in the field.

Are there any electrical or regulatory compliance markings like RCM required for this storage box in Australia?

No, as a purely mechanical moulded polymer ammo case with zero electrical components, certifications such as 240V compatibility, SAA approvals, and RCM compliance markings are not applicable. It is designed solely for safe mechanical transport and organisation of your rifle rounds.

What should I do if my handloaded rifle cartridges exceed the 3.14-inch limit?

If your loaded rounds exceed the 3.14-inch Max OAL threshold—such as long-action ultra magnums or specific target configurations—they will not allow the flip-top lid to latch securely. In that case, you will need to step up to the MTM RF22-LM variant, which accommodates cartridges up to 3.84 inches in length.

Rifle Ammo Box - MTM Case-Gard RF22-SM-10

The MTM Case-Gard RF22-SM-10 is a dedicated flip-top rifle ammunition box designed to organise and protect up to 22 medium-to-large bore cartridges during field transport and range sessions. Moulded from high-density polypropylene plastic, it features a textured exterior for secure handling in dusty or wet conditions and includes an integrated snap-lock latch to prevent accidental opening. With an internal maximum cartridge overall length (Max OAL) of 3.14 inches (~79.76 mm), this compact carrier accommodates short magnums, standard big-bore hunting rounds, and vintage straight-wall cartridges while fitting easily into field packs.

Key Features

22-Round Capacity: Holds 22 rifle rounds in an upright, individual-cell configuration for compact organisation.
3.14" Max OAL Clearance: Accommodates cartridges up to 3.14 inches (79.76 mm) in total length, supporting short magnums and heavy-calibre rounds.
Durable Polypropylene Construction: High-density polymer resists warping, cracking, chipping, and expanding across standard field temperature variations.
Mechanical Hinge and Snap-Lock Latch: Integral mechanical hinge system paired with a positive snap-lock latch keeps ammunition securely contained during transit.
Load Data Label Included: Comes with an interior load/sight-in data label for recording specific powder charges, bullet weights, and ballistic notes.
Calibre Versatility: Engineered to fit .300 WSM, .338 WSM, .270 WSM, 7mm WSM, .45-70 Government, .450 Marlin, 9.3x62mm, and similar dimensions.

Specifications

Model / MPN: RF22-SM-10
Colour: Green
Material: High-density polypropylene
Capacity: 22 rifle cartridges
Maximum Cartridge Overall Length (Max OAL): 3.14 inches (~79.76 mm)
Weight: Approximately 0.25 kg (shipping weight)
Compatible Calibres: .300/.338 WSM, .270 WSM, 7mm WSM, .45-70 Government, .450 Marlin, .300/.338 RMC, .40-60 Marlin, .40-82, .45-75 WCF, .50-110 WCF, .50-95 WCF, .45-110 Sharps, 8x56R Rimmed Hungarian, 9.3x62mm, 9x57mm, 10.3x60R Swiss, 10.75x65R, and 11.7x51R Danish Remington

Who is the Mtm Rifle Ammo Box - 22 Round Flip-Top 338 Wsm 45-70 450 Marlin - Green for?

Australian big-game hunters — carrying heavy-calibre .45-70 Government, .450 Marlin, or .300 WSM rounds for sambar deer and feral buffalo hunting benefit from a compact flip-top rifle ammo box holding a 22 rifle rounds capacity that fits cleanly into a hunting pack without the bulk of standard 50-round cases.
Handloaders and benchrest shooters — developing precise ladder tests or specific hunting batches require an individual flip-top rifle ammo box tailored to a fixed 3.14 inches Max OAL envelope with an integrated load data record for tracking experimental powder charges.

Less suitable for: Long-action magnum calibres exceeding the 3.14 inches Max OAL threshold (such as .338 Lapua Magnum or .416 Rigby), which require a dedicated long-action ammo carrier rated up to 3.84 inches Max OAL, or high-volume shooting sessions requiring larger 50-round or 100-round bulk storage boxes.

SKU	MM41163LP
Model #	RF22-SM-10
Brand	Mtm Case-Gard
Shipping Weight	1.0000kg

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Mtm Case-Gard Rf22-Sm-10 Ammo Box 22 Round Green

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