Norma Oryx 35 Whelen 250 Grain Brass Cased Rifle Ammo 20 Rounds. With a combination of rapid expansion high residual weight and deep penetration ORYX is the number one all-round hunting bullet. When hitting the target it expands quickly without fragmenting or breaking apart. Thanks to the unique bonding technology ORYX offers residual weights up to 99percent in some calibers on standard hunting ranges. Specifications for Norma Oryx 35 Whelen 250 Grain Brass Cased Rifle Ammunition: Manufacturer: Norma Caliber: .35 Whelen Number of Rounds: 20 Bullet Weight: 250 grain Cartridge Case Material: Brass Muzzle Velocity: 2428 ft/s Muzzle Energy: 3273 ft-lbs Application: Hunting Primer Style: Centerfire G1 Ballistic Coefficient: 0.34 Package Contents: Norma Oryx 35 Whelen 250 Grain Brass Cased Rifle Ammunition What is Norma Oryx 35 Whelen 250 Grain Brass Cased Rifle Ammunition good for? The manufacturer thinks that it is good for hunting.Norma 20190092: Oryx 35 Whelen 250 Grain Brass Cased Rifle Ammo 20 Rounds