Since 1939 more hunters have relied on remington core-lokt than any other big game ammunition.Core-lokt is the original controlled expansion bullet. Its time-proven performance has made it hunting's 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.Trust your next hunt to the best-selling hunting ammunition of all time.Caliber: 7mm Rem MagBullet Type: Pointed Soft Point Core-Lokt (PSPCL)Bullet Weight: 175 grMuzzle Energy: 3178 ft lbsMuzzle Velocity: 2860 fpsRounds Per Box: 20Boxes Per Case: 10Application: HuntingCasing Material: BrassHazair: Yes