Are these flat-nose projectiles safe to use in a lever-action tubular magazine?

Yes, the flat-nose (FN) profile of the Speer S2479 prevents chain-fire primer ignition in tubular magazines. This makes them specifically safe for use in lever-action rifles such as the Marlin 1895 and Winchester 1886.

What is the recommended maximum effective engagement range for this .458 400gr bullet?

These projectiles are optimised for close- to medium-range engagements within zero to 150 metres. Due to the blunt flat-nose shape and a ballistic coefficient of .259, bullet drop and velocity bleed off rapidly beyond 150 to 200 metres.

What velocity thresholds should I target when handloading these for .45-70 Government?

They are typically loaded between 1,300 fps and 2,000 fps to ensure controlled expansion and deep penetration without over-expansion. Impact velocities exceeding 2,100 to 2,200 fps risk jacket separation or excessive core deformation on heavy bone.

Do I need a firearms licence to purchase these reloading components in Australia?

Yes, component projectiles are regulated hunting and firearms reloading components across Australian states and territories. Depending on your specific state legislation, you will typically need to present a valid firearms licence or permit to purchase them.

458 Calibre Bullets - Speer S2479

The Speer Soft Point Flat Nose Rifle Bullet in .458 calibre is a heavy-weight component projectile engineered for large-bore rifle reloading. Featuring an exposed lead core encased in a tough copper jacket, this 400-grain bullet is designed to deliver controlled, moderate expansion alongside deep straight-line penetration through dense muscle and heavy bone. Built with a flat-nose profile, it is inherently safe for use in tubular magazine lever-action rifles, eliminating the risk of recoil-induced primer ignition. Handloaders commonly utilise this projectile for close-to-medium-range hunting of large and dangerous game across platforms such as the .45-70 Government, .450 Marlin, .458 SOCOM, and .458 Winchester Magnum.

Controlled Terminal Performance: Features a jacketed soft-point construction that initiates moderate expansion while retaining sufficient weight to drive deeply through tough game.
Tubular Magazine Safety: The flat-nose (FN) configuration prevents tip-to-primer chain fires inside tubular magazine rifles, including standard Marlin 1895 and Winchester 1886 actions.
Dual Cannelures: Provides dedicated crimp grooves to secure the projectile against heavy recoil and maintain consistent cartridge overall length (COL) for SAAMI-compliant feeding.
Optimised Velocity Window: Engineered to operate reliably at typical handloading impact velocities ranging from 1,300 fps (approx. 396 m/s) to 2,000 fps (approx. 610 m/s).

Specifications

Calibre / Diameter: .458 in (11.63 mm)
Bullet Weight: 400 grains (approx. 25.92 grams)
Bullet Type: Jacketed Soft Point Flat Nose (SPFN)
Ballistic Coefficient (G1): .259
Sectional Density: 0.272
Packaging Quantity: 50 pack
Cartridge Compatibility: .45-70 Government, .450 Marlin, .458 Winchester Magnum, .458 SOCOM
Manufacturer Part Number (MPN): 2479

Who is the Speer 458 400gr FN 50pk for?

Lever-action rifle hunters targeting heavy scrub bulls and feral buffalo — requires a heavy 400-grain flat-nose reloading rifle bullet that feeds safely in tubular magazines while leveraging a 0.272 sectional density for deep penetration through thick hide and bone.
Handloaders crafting moderate-velocity rounds for .45-70 Government and .458 Winchester Magnum — utilizes a dedicated .458 in diameter projectile featuring dual cannelures to achieve a firm roll crimp and a .259 ballistic coefficient tailored for reliable terminal expansion inside 150 metres.

Less suitable for: Target engagements beyond 150–200 metres where high-BC spitzer or boat-tail projectiles are required to mitigate rapid velocity drop, or muzzle velocities exceeding 2,100–2,200 fps where monolithic solid or partition-style bullets are better suited to prevent jacket separation on heavy bone.

SKU	SPR41540LP
Model #	S2479
Brand	Speer
Shipping Weight	1.0000kg

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Speer 458 400gr Fn 50pk

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