The berger.223 remington 77 grain otm tactical ammunition provides a premium solution for mil/le applications with 1:8 twist platforms and faster.The 77 grain otm tactical projectile has a superior ballistic coefficient and performance to any comparable projectile in its weight class.Its otm design and sleek, tangent ogive profile, provides flawless performance from magazine-feel applications in any gas-gun platform.Caliber: 223 RemBullet Type: Open Tip Match (OTM)Bullet Weight: 77 grMuzzle Energy: 1293 ft lbsMuzzle Velocity: 2750 fpsRounds Per Box: 20Boxes Per Case: 10Application: TargetCasing Material: BrassHazair: Yes