45acp +p ammo is externally/dimensionally identical to 45 acp ammo and can be fired in any 45 acp firearm in normal operating condition.However the greater pressures and power of the +p ammo will give greater slide velocity.If shooting more than a box or two of +p ammo consider replacing your recoil spring with a wolf spring that gives roughly 4 to 6 lbs more spring weight than factory stock springs.Rating: +PCaliber: 45 ACPBullet Type: Jacketed Hollow Point (JHP)Bullet Weight: 230 grMuzzle Energy: 461 ft lbsMuzzle Velocity: 950 fpsRounds Per Box: 20Boxes Per Case: 12Application: Target ShootingCasing Material: BrassHazair: Yes