The Weatherby WBY Ammo 340WBY 225GR Interlock 20/10 is purpose-built for hunters who demand reliable performance from their magnum rifle. Loaded with Hornady’s proven Interlock Spire Point bullet, this cartridge is engineered to deliver strong energy transfer and deep penetration, making it a solid choice for big game where decisive performance matters. The 340 Weatherby Magnum chambering offers a flat trajectory and impressive downrange authority, supported by carefully selected components and consistent factory loading.

With a 225 grain Spire Point bullet driven to a muzzle velocity of 3,066 fps and generating 4,696 ft/lbs of energy, this round is tailored for medium to large game hunting at extended distances. The Interlock design helps the bullet retain mass through impact, promoting controlled expansion and reliable terminal performance. Ideal for open-country hunts, long-range shooting, and serious field use, this ammunition reflects Weatherby’s long-standing reputation for precision, innovation, and attention to detail in magnum rifle cartridges.

• Manufacturer: Weatherby
• Model: WBY Ammo 340WBY 225GR Interlock 20/10
• Caliber: 340 Weatherby Magnum
• Bullet Type: Interlock Spire Point
• Bullet Weight: 225 Grains
• Muzzle Velocity: 3, 066 Fps
• Rounds Per Box: 20