The Norma TIPSTRIKE .270 Winchester Short Magnum (.270 WSM) 140 gr ammunition is engineered for medium to large game hunting where immediate stopping power and rapid terminal expansion are required. Loaded with a 140-grain (9.1 g) polymer-tipped soft point bullet, this factory load produces a muzzle velocity of 950 m/s (3,117 fps) and 4,106 J (3,020 ft-lbs) of muzzle energy from a standard 610 mm (24 in) test barrel. A streamlined polymer tip and thin forward jacket initiate wide expansion upon impact, while an integrated mechanical Lead-Lock ring secures the lead core to the rear jacket wall to ensure deep penetration through vital organs.

Key Features

• Rapid Expansion: Polymer tip design combined with a thin front jacket induces immediate disruption and substantial energy transfer on target entry.
• Lead-Lock Core Retention: Internal mechanical locking ring binds the core to the heavy rear jacket to prevent bullet breakup on bone and maintain weight retention.
• Aerodynamic Profile: Features a 0.480 G1 ballistic coefficient with a Most Recommended Distance (MRD) zero of 194 metres.
• Reloadable Components: Built with premium boxer-primed, reloadable brass cartridge cases.
• Downrange Energy: Maintains 3,233 J of kinetic energy at 100 metres, 2,768 J at 200 metres, and 2,352 J at 300 metres.

Specifications

• Calibre: .270 Winchester Short Magnum (.270 WSM)
• Bullet Weight: 140 grains (9.1 grams)
• Bullet Type: Polymer-tipped soft point (TIPSTRIKE Lead-Lock flat-base)
• Projectile Diameter: .277 inches
• Ballistic Coefficient: 0.480 (G1)
• Muzzle Velocity: 950 m/s (3,117 fps)
• Muzzle Energy: 4,106 J (3,020 ft-lbs)
• Case Material: Boxer-primed brass
• Package Quantity: 20 rounds per box
• Licence Requirement: Valid Australian Category B firearms licence (or state equivalent) required

Who is the Norma TIPSTRIKE .270 WSM 140gr for?

• Fallow, red, and sambar deer hunters — requires a flat-shooting hunting cartridge that generates 4,106 J of muzzle energy at 3,117 fps to deliver maximum energy transfer and immediate knock-down performance on medium to large deer out past 200 metres.
• Feral pig and wild boar hunters — relies on a 140-grain polymer-tipped bullet with an internal Lead-Lock mechanism to ensure rapid expansion through thick hide followed by deep, bone-traversing penetration into vital zones.

Less suitable for: Heavy-boned quarry or close-range large bull sambar where bonded core or monolithic solid-copper bullets are better suited to prevent excessive fragmentation, and extreme long-range shooting beyond 400 to 500 metres where heavy high-BC match or hybrid hunting projectiles are preferred. This ammunition is exclusively chambered for .270 Winchester Short Magnum rifles and cannot be fired in standard .270 Winchester, .270 Weatherby Magnum, or 6.8 Western chambers.