The Remington Core-Lokt Centerfire Rifle Ammo 300 Rem. Ultra Mag. 180 gr. Core-Lokt PSP 20 rd. is the epitome of reliability and performance in hunting ammunition, trusted by hunters worldwide for over 75 years. Known as the deadliest mushroom in the woods, this big game ammunition has filled more tags across continents than any other load, thanks to its original controlled expansion bullet design. The Core-Lokt technology features a tapered copper jacket that is securely locked to a solid lead core, ensuring massive 2X expansion and weight retention for consistent on-game results. This centerfire rifle ammo is available in both soft point and pointed soft point versions, catering to a wide range of bullet weights suitable for virtually every centerfire hunting caliber. The Remington 180 gr PSP variant is particularly renowned for its precision and stopping power, making it an ideal choice for hunters targeting big game. As the best-selling hunting ammo of all time, the Remington Core-Lokt continues to set the standard for quality and dependability in the field. Whether you're an experienced hunter or a novice, trust your next hunt to the proven performance of Remington's rifle ammo for hunting, and experience the unmatched effectiveness of the Core-Lokt PSP. With its unmatched legacy and superior craftsmanship, this 300 Rem Ultra Mag ammo remains the go-to choice for those who demand the best in hunting ammunition.