Hornady InterLock 405 Cal 300 Grain SP Bullets (Box of 50)

The Hornady InterLock 405 caliber rifle bullets deliver serious stopping power for handloaders pursuing large game at distance or in brush. These 300-grain soft-point rounds combine proven bullet engineering with the reliability you need when a single shot has to count. Whether you're loading for a .405 Winchester or another cartridge in this caliber, InterLock bullets give you the confidence that comes from using ammunition components trusted by hunters across North America.

What sets InterLock bullets apart is Hornady's trademarked InterLock ring system—a mechanical lock that binds the core and jacket together during expansion. This design keeps the bullet from shedding material on impact, preserving weight and energy transfer through even the heaviest hides and bone. The result is deeper penetration, larger wound channels, and more reliable kills on elk, moose, and other trophy game where bullet performance directly affects your hunt's outcome.

These are serious reloading components for serious hunters. The one-piece core-and-jacket construction resists separation, while the soft-point profile allows controlled expansion across a wide velocity range. You get 50 bullets per box—enough to load a hunting season's worth of ammo or fine-tune your loads at the range. If you're handloading for big-game hunting and demand bullets that expand reliably while holding together, InterLock rounds deserve a hard look.

Key Features

• InterLock ring system mechanically locks core to jacket for reliable weight retention
• One-piece core-and-jacket design resists separation on impact
• Soft-point profile allows controlled expansion across velocity ranges
• Engineered for large game hunting applications
• 50 bullets per box for consistent handloading

Specifications

Caliber	.405
Weight	300 grains
Bullet Type	Soft Point (SP)
Quantity per Box	50
Brand	Hornady

Frequently Asked Questions

What cartridges can I reload with 405 caliber 300-grain bullets?

These are .405 caliber bullets designed for cartridges chambered in that bore diameter, most commonly the .405 Winchester. Verify your specific firearm's chamber and reloading manual before loading.

How many bullets are in a box?

Each box contains 50 bullets, giving you enough for a full hunting season or extensive range testing.

Will these bullets work for hunting?

Yes—InterLock bullets are specifically designed for big-game hunting. The controlled-expansion profile and weight retention make them suitable for elk, moose, and similar large game where reliable bullet performance is critical.

What makes InterLock bullets different from other soft points?

Hornady's InterLock ring system mechanically locks the bullet's core to its jacket, preventing separation during expansion. This keeps the bullet together for deeper penetration and more consistent performance than some competing designs.