Remington Core Lokt, 25-20 Winchester, 86 Grain, Soft Point, 50 Round Box 28364 THE DEADLIEST MUSHROOM IN THE WOODS FOR MORE THAN 75 YEARS. Since 1939, more hunters have relied on Remington Core-Lokt than any other big game ammunition, and rightly so. It's filled more tags on more continents than any other load. Core-Lokt is the original controlled expansion bullet. Its time-proven performance has made it hunting's first choice for over 75 years.