Remington Core-Lokt 35 Remington 200gr SP Rifle Ammo - 20 Rounds - Since 1939, more hunters have relied on Remington Core-Lokt than any other big game ammunition, and rightly so. Core-Lokt is the original controlled expansion bullet. Its time-proven performance has made it huntings first choice for over 75 years. The tapered copper jacket is locked to a solid lead core delivering massive 2X expansion, weight retention and consistent on-game results. Available in soft point and pointed soft point versions, and in a range of bullet weights for virtually every centerfire hunting caliber made.