Are these S&B 9.3x74R brass cases compatible with standard Large Rifle primers?

Yes, these cases utilize standard Boxer primers and are fully compatible with 5.3 mm or .210 inch Large Rifle primers. This ensures reliable ignition when handloading custom ammunition for your break-action rifle.

Do I need to perform any preparation on these new unprimed brass cases before loading?

Yes, new unprimed brass should always undergo initial neck sizing or full-length resizing, along with chamfering and deburring, before your first loading cycle. This corrects any minor mouth out-of-roundness that may occur during bulk transit.

What firearms are these rimmed 9.3x74R cases designed for?

These cases are built specifically with an extraction rim for positive manual or mechanical extraction in break-action firearms, such as double rifles, combination guns, Drillings, and single-shot kipplauf rifles. They are strictly not interchangeable with rimless cartridges like the 9.3x62mm Mauser.

Can I have these unprimed brass cases shipped to my address anywhere in Australia?

As non-explosive inert reloading components, unprimed brass cases can generally be legally sold and posted throughout most Australian states and territories. However, state-specific regulations apply, such as in Western Australia where postal parcel transit is typically prohibited and courier delivery to a licensed firearms dealer is required.

9.3x74R Brass Cases - S&B V337722

The Sellier & Bellot 9.3x74R Rimmed Unprimed Brass Cases (20 Pack) provide a reloadable foundation for handloaders building custom ammunition for break-action hunting firearms. Manufactured from CuZn30 cartridge brass (approximately 70% copper and 30% zinc), each case features a rimmed base engineered for manual extraction and mechanical ejectors in double rifles, Drillings, and single-shot kipplauf platforms. The cases undergo factory induction annealing across the neck and shoulder to improve ductility, prevent work-hardening stress cracks, and extend case life across repeated firings. Sized to standard CIP dimensions with an overall maximum case length of 74.00 mm, these unprimed cases utilise standard 5.3 mm (.210") Large Rifle Boxer primers and seat 9.3 mm (.366 in) diameter projectiles.

Key Features

Factory-Annealed Neck and Shoulder: Heat-treated via factory induction to preserve ductility, resist work-hardening splits, and extend reloading life, presenting characteristic unpolished heat discoloration out of the box.
Break-Action Rimmed Geometry: Purpose-built with an extraction rim for extraction in break-action single shots, Drillings, and double rifles chambered in 9.3x74R.
Standard Boxer Priming: Drilled for standard 5.3 mm (.210") Large Rifle Boxer primers for reloading workflows.
CuZn30 Brass Construction: Formed from a durable 70/30 copper-zinc alloy engineered to withstand repeated chamberings and firing pressures.

Specifications

Calibre: 9.3x74R
Manufacturer Part Number: V337722
Case Length: 74.00 mm (CIP maximum)
Bullet Diameter Compatibility: 9.3 mm (.366 in)
Primer Pocket Type: Large Rifle Boxer (5.3 mm / .210")
Material: CuZn30 cartridge brass (approx. 70% copper / 30% zinc)
Condition: New, unprimed, factory annealed
Pack Quantity: 20 cases
Total Pack Weight: Approximately 0.257 kg

Who is the S&B Sellier & Bellot 9.3x74r Rimmed Unprimed Brass Cases 20 Pack for?

Handloaders loading for break-action double rifles and combination guns — Requires a rimmed cartridge base and a 74.00 mm CIP standard case length to guarantee positive mechanical extraction and headspacing in non-bolt break-action platforms, which these 9.3x74R unprimed brass cases provide.
Hunters targeting large and dangerous game — Uses heavy 9.3 mm (.366 in) diameter projectiles seated in these 9.3x74R unprimed brass cases to generate terminal energy on heavy game like feral buffalo and sambar deer across a standard 0 to 200 metre envelope.

Less suitable for: Bolt-action rifles chambered in rimless equivalents such as the 9.3x62mm Mauser (due to rim geometry incompatibility), or hunters regularly engaging targets beyond 200 to 250 metres, where higher-velocity magnum bottlenecked cartridges with flatter long-range trajectories are better suited. Additionally, handloaders must complete initial neck sizing or full-length resizing, chamfering, and deburring before the first loading cycle.

SKU	SAB42193LP
Model #	V337722
Brand	S&B
Shipping Weight	1.0000kg

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S&B V337722 Brass Cases 9.3x74r Unprimed 20 Pack

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