The Sellier & Bellot 6.5×57 SP 131 gr ammunition delivers consistent terminal ballistics and factory-loaded precision for classic European centrefire bolt-action rifles. Loaded with a 131-grain (8.50 g) Semi-Jacketed Soft Point projectile featuring an exposed lead core and copper alloy jacket, this rimless cartridge generates a muzzle velocity of 775 m/s (2,543 fps) and 2,553 Joules (1,881 ft-lbs) of muzzle energy from a standard 600 mm test barrel. Manufactured in the Czech Republic to strict C.I.P. specifications, it utilises reloadable brass cases and non-corrosive Boxer primers to ensure uniform chamber pressures, reliable ignition, and dependable feeding.

Key Features

• Controlled Terminal Expansion: The semi-jacketed soft point bullet design initiates dependable mushrooming and controlled expansion upon impact while maintaining weight retention for deep tissue penetration on medium game.
• Ballistic Performance: Engineered with a G1 ballistic coefficient of 0.389 (G7 BC: 0.195) and a sectional density of 0.269, retaining 1,057 ft-lbs of kinetic energy at 300 yards.
• C.I.P. Standard Quality: Factory-loaded to strict European C.I.P. standards for reliable headspacing, smooth bolt operation, and safe pressure levels.
• Reloadable Components: Built with premium Boxer-primed, non-corrosive brass casings suited to multi-cycle handloading.

Technical Specifications

• Calibre: 6.5×57mm Mauser (Rimless)
• Bullet Type: Semi-Jacketed Soft Point (SP)
• Bullet Weight: 131 grains / 8.50 grams
• Bullet Diameter: 0.264 in (6.5 mm)
• Muzzle Velocity: 775 m/s (~2,543 fps) in a 600 mm barrel
• Muzzle Energy: 2,553 Joules (~1,881 ft-lbs)
• Ballistic Coefficient: G1: 0.389 / G7: 0.195
• Sectional Density: 0.269
• Case Type: Brass, reloadable
• Primer: Non-corrosive Boxer
• Package Quantity: 20 rounds per box (approx. 0.56 kg total weight)

Who is the S&B Sellier & Bellot 6.5x57 131 Grain Sp Ammo 20 Rd for?

• Medium Game Hunters — requires dependable expansion and deep penetration on fallow deer, chital, and feral pigs, provided by this 6.5x57 rifle ammunition delivering 2,553 Joules of muzzle energy and retaining 1,057 ft-lbs of striking force at 300 yards.
• Bolt-Action Rifle Shooters — needs factory-consistent ammunition for zeroing and target shooting in 6.5x57mm Mauser rifles, utilising a 131 grains soft point projectile loaded to C.I.P. dimensional standards with a muzzle velocity of 775 m/s.

Less suitable for: Break-action kipplauf rifles or combination drillings (which require the rimmed 6.5×57R cartridge), long-range hunting beyond 300 to 400 yards where high-BC boat-tail or polymer-tipped projectiles are required to maintain expansion velocity, and heavy large game such as large sambar stags or scrub bulls, which require bonded or monolithic copper projectiles or larger calibres.