Weatherby Select .30-378 Weatherby Mag 180gr Hornady InterLock ammo shines at ranges exceeding 1,000 yards. This ammo is loaded into premium Norma brass casings with clean-burning powders and propellants, ensuring consistent, reliable shot-to-shot performance. Known as the fastest .30 caliber available on the market, this .340 Weatherby Mag ammo features Hornady’s InterLock bullet features an exposed lead tip for controlled expansion and hard-hitting terminal performance for devastating impact on game. 20 rounds. Made in USA. Specifications Material: Brass Round Count: 20