Weatherby Select ammunition in .340 Weatherby Magnum (brand part no. H340250IL) loads a 250-grain Hornady InterLock bullet built for hunters who need a proven, affordable big-game bullet behind serious magnum velocity. Roy Weatherby introduced the .340 in 1963 as a response to the .338 Winchester Magnum, taking advantage of a longer case to pack in more powder for greater velocity while still driving heavy .338-caliber bullets. That combination makes it ideally suited to elk-sized game and larger, while deer hunters can run lighter bullet weights out of the same rifle. Hornady’s InterLock bullet mechanically locks the lead core to the jacket via an internal band, preventing separation and delivering controlled, consistent expansion. For .340 Weatherby Magnum hunters who want that dependable performance, this rifle ammunition is built for the hunt.

Key Specifications

• The chambering is .340 Weatherby Magnum, a big-bore magnum built for elk-sized game and larger.
• The bullet weighs 250 grains, a heavy weight matched to the cartridge’s magnum case capacity.
• The bullet is a Hornady InterLock, a mechanically locked jacket-and-core design.
• The internal locking band prevents jacket-core separation, delivering controlled, consistent expansion.
• Listed muzzle velocity is 2,963 fps, typical for this magnum’s long case capacity.
• Shipping weight per box runs 1.805 pounds, useful for shooters planning a bulk order.

Frequently Asked Questions

How does the InterLock bullet control expansion? An internal band mechanically locks the jacket to the core, so the bullet expands consistently without the jacket separating from the core.

What game is .340 Weatherby Magnum built for? It is ideally suited to elk-sized game and larger, while deer hunters can run lighter bullet weights out of the same rifle.

Buy Weatherby Select .340 Wby Mag 250gr Interlock

A longer case built to push heavier bullets faster is exactly what .340 Weatherby Magnum brought to the table in 1963, and it still delivers. Order from our Lubbock, Texas gun shop and it ships fast to your door.