Methods and apparatus for coating optical articles, such as optical lenses, are provided. A die and anvil are configured to engage and form the lips of magazines, like that of the M16A4 and M4A1, to correct damage and enhance the feed angle of rounds to improve feeding and accuracy. The locking claw is usually biased in the unlocking direction. The protective stop causes the adjusting motion to be reduced or stopped upon reaching of the protective stop. One or each of the terminal ends of the relief spring or the back spring is bent in a radial direction with respect to an axis of a coil portion. The baffle is disposed in the pressurization air flow upstream of the compartment seal.