What type of primers do the S&B .270 Winchester unprimed brass cases require?

These cases feature standard Large Rifle Boxer primer pockets, making them fully compatible with standard Large Rifle primers and standard depriming or priming tools. They are manufactured to SAAMI and CIP dimensional envelopes to ensure reliable reloading performance.

What is the maximum pressure threshold and package quantity for the S&B .270 Win brass cases?

Each pack contains 20 unprimed brass cases built to standard CIP specifications, which cap the maximum average service pressure (Pmax) for the .270 Winchester cartridge at 4,300 bar (62,366 psi). Exceeding these recommended pressure levels during handloading can lead to case rupture or primer pocket loosening.

Are there any specific Australian licensing or compliance requirements for purchasing unprimed brass cases?

Because unprimed brass cases contain no propellant or live primers, they are generally treated as inert reloading accessories under Australian regulations. However, state and territory firearms legislation regarding the purchase and possession of ammunition components may still apply at the retail point-of-sale depending on your local jurisdiction.

What bullet diameter and additional reloading components are needed to complete these S&B .270 Win cases?

To load these unprimed cases, you will need to pair them with standard .277-inch (7.04 mm) diameter bullets, appropriate rifle powder, and standard Large Rifle Boxer primers. Factory-annealed case necks and shoulders are included to help support multiple reloading cycles and enhance overall brass longevity.

270 Win Brass Cases - Sellier Bellot V337302

The S&B Sellier & Bellot .270 Win Unprimed Brass Cases 20 Pack (MPN: V337302) provides standard factory-drawn brass alloy components for handloading custom ammunition. Manufactured in Vlašim, Czech Republic to CIP and SAAMI dimensional envelopes, each case features a factory-annealed neck and shoulder to improve ductility and case life over repeated reloading cycles. Designed with standard Boxer flash holes, these inert cases accept standard reloading and depriming tools for firearms chambered specifically in .270 Winchester.

Key Features

Factory Annealing: Case neck and shoulder are annealed to enhance longevity across multiple reloading cycles.
Boxer Primer Interface: Standard Boxer-style flash hole geometry facilitates straightforward depriming and accepts conventional Large Rifle primers.
Precision Manufacturing: Formed to standard CIP tolerances, rated to handle a maximum average service pressure (Pmax) of 4,300 bar (62,366 psi).
Chamber Consistency: Drawn specifically for standard .270 Winchester chambers across bolt-action, lever-action, and single-shot actions.

Product Specifications

Calibre: .270 Winchester (.270 Win / 6.8×64mm)
Product Code (MPN): V337302
Material: Drawn brass alloy with annealed neck and shoulder
Primer Pocket Type: Large Rifle Boxer primer pocket (unprimed)
Maximum Average Service Pressure (Pmax): 4,300 bar (62,366 psi)
Compatible Projectile Diameter: .277" (7.04 mm)
Package Quantity: 20 pieces per pack
Bulk Master Case Reference: 25 bags per case (500 cases total), 7.5 kg (16.5 lb)

Who is the S&B Sellier & Bellot 270 Win Unprimed Brass Cases 20 Pack for?

Medium-to-large game hunters — requires factory-annealed .270 Winchester unprimed rifle brass cases capable of operating reliably up to a CIP maximum service pressure of 4,300 bar (62,366 psi) when handloading tailored field ammunition for game such as deer, feral pigs, and goats.
Target handloaders — utilizes standard Large Rifle Boxer primer pockets to seat consistent ignition components across 20-piece batches for precision shooting in dedicated .270 Winchester rifles.

Less suitable for: Handloaders seeking brass for parent-case alternatives such as .30-06 Springfield or .280 Remington without complex neck-sizing and fire-forming steps, or reloaders needing projectiles outside the .277" (7.04 mm) diameter; standard calibre-specific unprimed brass matching those exact bore diameters and chamber dimensions fits those firearms better.

SKU	SAB42181LP
Model #	V337302
Brand	S&B
Shipping Weight	1.0000kg

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Sellier & Bellot V337302 Brass Cases 270 Win 20 Pack

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