A fumbled magazine change can mean the difference between a win and a loss in any speed shoot competition. That's why most competitive shooters prefer our Extended Magazine Release with its wide checkered button for quick magazine changes with minimal movement. We do not recommend an extended magazine release on carry pistols. For shooters that want to use their carry gun for competition, the large button on our extended magazine release can be removed with an allen wrench (included) leaving a stock dimension button that is ideal for carry purposes. NOTE: Catch lock & spring sold separately, see our "Factory Plus" Standard 1911 Replacement Parts.