Weatherby Select Hornady Interlock Rifle Ammuntion .340 Wby Mag 250Gr 2963

The Weatherby Select Hornady Interlock .340 Wby Mag 250Gr ammunition delivers the hard-hitting performance that made the .340 Weatherby a magnum standard for serious hunters. Since its introduction in 1963, the .340 Wby Mag has earned respect as a powerhouse cartridge—designed to outpace the .338 Winchester Mag by leveraging a longer case and higher powder capacity. This combination allows the .340 to push heavier bullets downrange at velocities that demand respect from game at distance.

The Hornady Interlock projectile in this 250-grain loading is engineered for controlled expansion and reliable performance on elk-sized game and larger. The Interlock design uses a mechanical lock between the core and jacket to ensure the bullet holds together through bone and muscle, delivering the energy needed for clean, ethical kills on premium big game. Whether you're hunting high country or long-range terrain, this load represents Weatherby's commitment to ballistic excellence and the precision ammunition development Hornady is known for.

Hand-selected and loaded to Weatherby's exacting standards, this ammunition is built for hunters who demand consistency and terminal performance from every round fired. If your hunt demands a cartridge that combines magnum velocity with proven bullet technology, the .340 Wby Mag with Hornady Interlock is a proven choice for the biggest adventures in North America and beyond.

Specifications

Frequently Asked Questions

What game is the .340 Weatherby Magnum suitable for?

The .340 Wby Mag was purpose-built for elk and larger game. The 250-grain Hornady Interlock load delivers the velocity and energy needed for those hunting elk, moose, and similar-sized species. Lighter loads in the cartridge can also be effective for deer hunters seeking magnum performance.

How does the Hornady Interlock bullet perform?

The Interlock design mechanically locks the bullet core to the jacket, promoting consistent expansion while resisting fragmentation. This construction helps maintain energy transfer and penetration through heavy game, making it reliable for the demanding performance required on premium big game hunts.

What's the velocity of this load?

This Weatherby Select load drives the 250-grain bullet at a muzzle velocity of 2963 feet per second, giving you the high-velocity performance the .340 Weatherby is known for.