Weatherby Select Plus Features Weatherby Select Plus in .338-378 WBY Mag is loaded with a 262 grain Hammer Custom bullet a projectile built for controlled expansion and deep penetration on large tough game animals at long range. The load leaves the muzzle at 2950 fps and carries 5063 ft lbs of energy numbers that put it firmly in the category of a flat-shooting hard-hitting magnum round capable of anchoring dangerous game well past typical hunting distances. Brass casings provide reliable extraction and consistent chamber sealing across a hunting trip where a failure to feed or extract is not an option. This combination of velocity energy and bullet construction is exactly what the .338-378 WBY Mag cartridge was designed to deliver. Each box contains 20 rounds a practical count for sighting in a rifle before a hunt and still having ammunition in reserve for the field. Weatherby s Select Plus line represents the company s premium factory ammunition offering built to match the performance expectations of the rifles it is chambered for. The Hammer Custom bullet is a purpose-built hunting projectile rather than a generic soft point giving shooters confidence in terminal performance on animals that demand more from a bullet than standard big game loads. For hunters chasing elk moose or dangerous game at extended range this Weatherby Select Plus load pairs a proven magnum cartridge with a premium bullet built for the task. Weatherby Select Plus Hammer Custom Specifications Brand: Weatherby Model: Select Plus Caliber: .338-378 WBY Mag Bullet Weight: 262 gr Bullet Type: Hammer Custom Muzzle Velocity: 2950 fps Muzzle Energy: 5063 ft lbs Casing Material: Brass Rounds Per Box: 20 Available At: GrabAGun