Hornady 284 Cal 7mm 139gr InterLock SP

Hornady 284 Cal 7mm 139gr InterLock SP

The Hornady 284 Cal 7mm 139gr InterLock SP is a precision bullet component tailored for hunters and handloaders who demand consistent performance, controlled expansion, and deep penetration in .284-caliber applications. Measuring .284 inches in diameter and weighing 139gr, this InterLock SP bullet uses Hornady’s mechanical locking ring to fuse the lead core to the copper jacket, preserving structural integrity and delivering over 90% weight retention upon impact. The 284 Cal 7mm 139gr InterLock SP offers the strength and reliability needed for ethical, effective hunting of medium- to large-sized game.

Designed for high-performance cartridges like the 7mm Remington Magnum, .284 Winchester, and 7mm PRC, the Hornady 284 Cal 7mm 139gr InterLock SP features a spire-point profile with a secant ogive and boat-tail base. This configuration achieves a G1 ballistic coefficient around 0.415, supporting flat trajectories, reduced wind drift, and excellent energy retention at longer distances. Whether you’re loading for extended-range accuracy or deep woods reliability, the 284 Cal 7mm 139gr InterLock SP delivers both external and terminal consistency.

The 284 Cal 7mm 139gr InterLock SP is compatible with barrels using twist rates from 1:9 to 1:10, ensuring stable flight in both traditional bolt-action rifles and modern sporting platforms. Its uniform bearing surface, concentric jacket, and precisely molded polymer tip support consistent seating depth and predictable muzzle velocities. Handloaders will find that the 284 Cal 7mm 139gr InterLock SP provides excellent performance across a variety of powder and case combinations.

In the field, the Hornady 284 Cal 7mm 139gr InterLock SP excels at delivering controlled expansion and deep wound channels on game such as deer, elk, and antelope. At velocities between 2,900 and 3,000 feet per second, the bonded-core design resists separation, even through thick muscle and heavy bone. Hunters can count on the 284 Cal 7mm 139gr InterLock SP for consistent terminal results, especially in challenging terrain where precision and penetration are critical for success.

Each Hornady 284 Cal 7mm 139gr InterLock SP bullet is manufactured in Grand Island, Nebraska, and sold as a bullet component only. Handloaders must provide compatible brass, powder, and primers to complete their rounds. With Hornady’s rigorous quality controls ensuring tight tolerances for weight, tip alignment, and overall uniformity, the 284 Cal 7mm 139gr InterLock SP stands out as a dependable and versatile bullet for serious hunters seeking consistent accuracy and effective terminal performance in the .284 caliber class.

Overall, the Hornady 284 Cal 7mm 139gr InterLock SP is a top-tier choice for reloaders looking to maximize performance from their 7mm rifles. With its bonded-core construction, aerodynamic design, and field-proven reliability, the 284 Cal 7mm 139gr InterLock SP offers the precision and power needed for ethical hunting at both close and extended ranges.