<p>An adjustment turret for an optical sight is provided and may include a housing and an adjustment member rotatably supported by the housing and operable to adjust a characteristic of the optical sight when moved relative to the housing. The adjustment turret may additionally include a cap extending from the housing and movable between an engaged state fixing the cap for rotation with the adjustment member and a disengaged state permitting relative rotation between the cap and the adjustment member. The cap may be moveable from the disengaged state to the engaged state in a direction away from the housing.</p>
