- Hornady InterLock Flat Point — .458 diameter, 350 grains, for large-bore lever and bolt-action rifles
- Flat point profile — essential for safe use in tubular magazines (e.g. .45-70, .458 Win Mag)
- InterLock ring locks jacket and core together during expansion for deep penetration and retained mass
- Tapered jacket controls expansion across varying impact velocities
- Inner jacket grooves promote consistent, controlled mushrooming even at longer range
- Heavy cannelure provides a reliable crimp point and aids jacket-core retention on impact
- Component bullets for handloaders — not loaded ammunition
The Hornady InterLock Flat Point in .458 diameter, 350 grains, is a component reloading bullet built for large-bore hunting rifles chambered in cartridges such as .45-70 Government, .458 Winchester Magnum and similar. The flat point profile is the right choice for lever-action tubular magazines, where a pointed or spitzer tip would be unsafe. Hornady's InterLock design features a raised ring inside the jacket that is embedded in the lead core, locking the two together during expansion to maintain mass and deliver deep penetration — critical when hunting heavy or dangerous game at close range. The tapered jacket is precision-controlled for reliable expansion across a range of impact velocities, while inner grooves strategically weaken the upper jacket section to ensure consistent, controlled mushrooming. A heavy cannelure provides a firm crimp groove and works alongside the InterLock ring to resist jacket-core separation under hard impact. The one-piece lead core avoids the separation risks associated with divided two-piece designs. Sold as component bullets for handloaders; not loaded ammunition.
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