257 WBY Centerfire Ammunition

Each Weatherby magnum cartridge is assembled with custom components producing blistering speed and devastating downrange power. All ammunition is loaded by Norma of Sweden utilizing Norma Precision Brass, Norma High Grade Premium Powder and specially designed primers for positive and consistent ignition of powder. The end result is the Weatherby Guaranteed Accuracy of your rifle to shoot a 1-1/2" or better shot group at 100 yards when using the Weatherby brand ammo.