Sierra Pro-Hunter Rifle Bullets .303 cal/7mm .311" 125 gr SPT 100/ct

Sierra Pro-Hunter Rifle Bullets in .303 caliber / 7mm .311" diameter deliver the proven accuracy and controlled expansion that have made Sierra a standard among competitive shooters and precision rifle enthusiasts. These 125-grain soft-point (SPT) bullets feature Sierra's traditional flat-base design—a geometry that balances aerodynamic consistency with velocity stability downrange. This particular configuration is engineered for rifles chambered in .303 British, 7x57mm Mauser, and similar cartridges that headspace on a rimmed or semi-rimmed case.

The custom-tapered jacket ensures progressive expansion without fragmentation, while the 125-grain weight retains sufficient sectional density for deep penetration on medium game at typical rifle ranges. The soft-point tip initiates controlled deformation upon impact, translating to reliable energy transfer while maintaining structural integrity through bone and muscle. Sierra's manufacturing process holds tight concentricity tolerances, which directly supports the consistency-dependent accuracy these bullets are known for in both bolt-action and semi-automatic platforms.

This 100-round count box is designed for handloaders, precision rifle competitors, and hunters preparing ammunition for .303 British rifles and equivalent cartridges. The flat-base design simplifies loading consistency compared to boat-tail variants, reducing setup variables during the crimping and seating stages. Operators and marksmen who load for historical rifles or specialized calibers value Sierra's quality control and dimensional consistency—factors that translate directly to group tightness and shot-to-shot predictability in the field.