For varmint hunting target shooting training exercises or any other high-volume shooting situation umc centerfire rifle ammunition offers great value with absolutely no compromise in quality or performance.Loaded right here in the usa umc rifle ammunition offers the choice of either metal-case or jacketed hollow point bullets in several popular rifle calibers.Specifications: 22-250 rem 45 gr 4000 fps jacketed hollow point (jhp) 20 bx/10 csCaliber: 22-250 RemBullet Type: Jacket Hollow PointBullet Weight: 45 grMuzzle Energy: 1598 ft lbsMuzzle Velocity: 4000 fpsRounds Per Box: 20Boxes Per Case: 10Application: Target ShootingCasing Material: BrassHazair: Yes