Ammo Specifications
More Information on Sellier & Bellot 7mm Remington Magnum Ammo
Sellier & Bellot 7mm Remington Magnum 173 Grain Soft Point Cutting Edge (SB7A) is a traditional hunting cartridge built around the power and reach of the 7mm Remington Magnum. Manufactured by Sellier & Bellot, the Czech ammunition maker founded in 1825, this load combines a heavy 173-grain SPCE (Soft Point Cutting Edge) projectile with a cartridge known for high velocity, substantial downrange energy, and versatility on medium and large game. Packaged in a 20-round box, SB7A is primarily intended for hunting rather than high-volume target shooting.
The defining component of this cartridge is Sellier & Bellot’s 173-grain SPCE bullet. SPCE stands for Soft Point Cutting Edge, a distinctive bullet design featuring an exposed lead soft point along with a pronounced cutting edge or shoulder in the projectile profile. This edge is intended to produce a clean entrance through hide while the exposed soft point initiates deformation after impact. The jacket helps control that deformation and supports penetration, giving the projectile a combination of expansion and retained mass suited to hunting applications. The unusual shoulder visible on SPCE bullets is therefore an intentional part of the design rather than a manufacturing defect.
At 173 grains, the projectile sits toward the heavier end of commonly available 7mm Remington Magnum ammunition. The additional bullet mass favors momentum and penetration while still benefiting from the substantial velocity produced by the magnum cartridge. Sellier & Bellot’s published specifications for this load have listed a muzzle velocity of approximately 848 meters per second (2,782 fps) and muzzle energy of approximately 4,027 joules (2,970 ft-lbs). Actual velocity will vary with barrel length, atmospheric conditions, and the individual rifle.
The 7mm Remington Magnum was introduced commercially in 1962 and quickly became one of the most successful magnum hunting cartridges. It uses .284-inch-diameter bullets and provides a combination of relatively flat trajectory, high retained velocity, and substantial energy. These characteristics have made the caliber especially popular for hunting in open terrain, where shots may occur at greater distances than those encountered in heavily wooded environments.
The heavy SPCE projectile gives SB7A a somewhat different emphasis from lighter 139- or 140-grain 7mm Remington Magnum loads. Rather than prioritizing maximum velocity, the 173-grain configuration combines magnum performance with increased projectile mass. That makes the load particularly relevant when penetration and controlled bullet behavior are important considerations.
Sellier & Bellot loads the ammunition in brass cases with Boxer primers, providing reloadable cases for shooters who save their fired brass. The cartridges are manufactured to provide consistent dimensions, ignition, and ballistic performance from round to round.
Overall, Sellier & Bellot SB7A is a classic European-style hunting load that pairs the powerful 7mm Remington Magnum with the company’s distinctive 173-grain SPCE hunting bullet. Its heavy projectile, exposed soft point, cutting-edge profile, and approximately 2,782-fps published muzzle velocity make it a specialized alternative to lighter and more streamlined polymer-tipped 7mm hunting ammunition.
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