.300 Remington Ultra Magnum Rifle Ammo is perfect for any shooter, and affordable too! Check out our .300 Rem. Mag. Ballistic Tip Ammo, or our .300 Rem. Mag. Soft Point Ammunition at great low prices!   Want to know even more about how your ammo is firing? Check out the article, "Rifling Twist Rates & Bullets", from our Guide Outdoors section. Check out our .300 Rem. Mag. Ballistic Tip Ammo, or our .300 Rem. Mag. Soft Point Ammunition at great low prices!