What barrel twist rate is required to properly stabilise the S&B 300 Grain HPBT bullets?

Stabilising these heavy 300-grain projectiles requires a fast barrel twist rate, typically 1:9.4" or 1:10". Rifles with slower twist rates, such as 1:12" setups commonly found in lighter .338 Winchester Magnum configurations, will fail to properly stabilise this bullet and should instead use lighter 200 to 250 grain options.

Are these S&B .338 bullets suitable for ethical medium-to-large game hunting?

No, these are match-grade Hollow Point Boat-Tail (HPBT) projectiles engineered strictly for aerodynamic consistency and extreme long-range target shooting. They are not designed for controlled expansion and are not suited for ethical medium-to-large game hunting applications.

Which large-capacity cartridges are these 300 grain HPBT bullets designed to handload?

They are specifically intended for handloading large-capacity cartridges used in extreme long-range precision disciplines, most notably .338 Lapua Magnum, along with .338 Remington Ultra Magnum, .338 Edge, and .338 Norma Magnum. They feature a published G1 Ballistic Coefficient of approximately 0.776 for exceptional flight stability.

Do these reloading bullets require any specific electrical or regulatory certifications for use in Australia?

As unpowered reloading components, these bare bullets do not require electrical compliance such as 240V mains power or SAA/RCM regulatory approvals. However, retail distribution and possession within Australia must still comply with relevant state and territory firearms and ammunition regulations regarding licensing.

.338 Reloading Bullets - Sellier V339442

The Sellier & Bellot .338 Calibre 300 Grain HPBT Reloading Bullets (Part Number: V339442, Bullet Code: 2899) are inert match-grade projectiles engineered for precision handloading in extreme long-range (ELR) shooting disciplines. Each hollow point boat-tail (HPBT) projectile features a copper alloy jacket and a lead core, designed to minimise aerodynamic drag and maintain flight stability across transonic transitions. These projectiles are bare reloading components intended for high-capacity magnum cases, delivering consistent performance at engagement distances extending beyond 1,000 metres and out to 1,500+ metres.

Key Features

Heavyweight Match Profile: Built with a 300-grain (19.4-gram) weight and high sectional density of 0.375, promoting wind drift resistance and momentum retention over extended distances.
Aerodynamic Efficiency: Combines an open-tip match hollow point with a tapered boat-tail base to yield a high published G1 ballistic coefficient of approximately 0.776.
Cartridge Versatility: Engineered for loading in large-capacity .338 calibre cartridges, including .338 Lapua Magnum, .338 Remington Ultra Magnum (RUM), .338 Edge, and .338 Norma Magnum.
Packaging: Supplied in retail boxes of 30 projectiles per pack.

Product Specifications

Brand: Sellier & Bellot (S&B)
Product Type: Reloading projectile / bare bullet
Manufacturer Code: V339442 (Bullet Code: 2899)
Calibre: .338 in (8.61 mm)
Bullet Weight: 300 grains (19.4 grams)
Bullet Profile: Hollow Point Boat-Tail (HPBT)
Core Material: Lead
Jacket Material: Copper alloy
G1 Ballistic Coefficient: Approximately 0.776
Sectional Density: 0.375
Quantity: 30 bullets per pack

Who is the S&B Sellier & Bellot .338 338 Caliber 300 Grain Hpbt Bullet 30 Pack for?

Extreme long-range precision target shooters handloading .338 Lapua Magnum — relies on the 0.776 G1 ballistic coefficient and 300 grains weight of this .338 calibre reloading bullet to maintain flight stability through transonic transitions past 1,000 metres.
Handloaders loading .338 Remington Ultra Magnum and .338 Norma Magnum for long-range disciplines — requires the 300 grains projectile weight and high 0.375 sectional density to maximise downrange momentum retention in large-capacity magnum cases.

Less suitable for: Rifles with barrel twist rates slower than 1:10" or 1:9.4" (such as 1:12" barrels), which lack the gyroscopic stabilization needed for a 300-grain bullet and require lighter 200–250 grain projectiles; and ethical medium-to-large game hunting, which requires controlled-expansion hunting bullets like bonded soft points, polymer-tipped game projectiles, or expanding monometals rather than non-expanding match HPBT designs.

SKU	SAB42235LP
Model #	V339442
Brand	S&B
Shipping Weight	1.0000kg

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Sellier & Bellot V339442 Bullets .338 Caliber 300 Grain Hpbt 30 Pack

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