Winchester Deer Season XP .300 Winchester Magnum 150 grain Extreme Point Polymer Tip Centerfire Rifle Ammo 20 Rounds. Tapered for efficient flight this Deer Season XP round utilizes a premium Extreme Point bullet with an oversized polymer tip to rapidly expand for maximum penetration upon impact. The custom blended powder in this round's construction ensures ultimate stopping power--delivered straight from the box to your doorstep fully loaded and ready to go. Accuracy is what you can expect from Hornady & Van Dorn bullets and this .300 magnum cartridge is no different. Grab a box of Deer Season XP ammo from Winchester today to improve your odds against medium and big game animals in the field. Specifications for Winchester Deer Season XP .300 Winchester Magnum 150 grain Extreme Point Polymer Tip Centerfire Rifle Ammunition: Manufacturer: Winchester Caliber: .300 Winchester Magnum Number of Rounds: 20 Bullet Type: Spitzer Flat Base Bullet Weight: 150 grain Cartridge Case Material: Brass Muzzle Velocity: 3260 ft/s Muzzle Energy: 3539 ft-lbs Application: Deer Package Type: Box Primer Style: Centerfire Lead Free: No Gun Type: Rifle Features of Winchester DEER SEASON XP .300 Winchester Magnum 150 grain Extreme Point Polymer Tip Centerfire Rifle Ammunition: Large Diameter Polymer TipAccelerates expansion resulting in rapid impact trauma Ballistic ProfileStreamlined profile for flat trajectory and energy retention Tapered JacketEngineered for lethal penetration on deer Alloyed Lead CoreOptimized for maximum energy transfer and impact power Package Contents: Winchester DEER SEASON XP .300 Winchester Magnum 150 grain Extreme Point Polymer Tip Centerfire Rifle Ammunition What is Winchester Deer Season XP .300 Winchester Magnum 150 grain Extreme Point Polymer Tip Centerfire Rifle Ammunition good for? The manufacturer thinks that it is best for deer.Winchester X300DS: Deer Season XP Rifle Ammo .300 Winchester Magnum Extreme Point Polymer Tip 150 grain 20 Rounds