A metal safety selector switch is a good up grade for any 500 or 590 that has a plastic switch. If the plate breaks and you lose the detent ball there is a possiblty the safety will no longer be a team player and can randomly engage or disengage.
In terms of the safety block itself, I've never seen one of those break.
Newer Mossbergs have a tamper resistant screw that can be put on with a flat blade screw driver, but not taken off. Various ways to do this - I've used a small screwdriver to catch once side and drift the screw out.
Your safety button's instruction will probably tell you this - but make sure you have the action completely open when you remove the screw to ensure the safety block stays in place.
Patriotism means to stand by the country. It does not mean to stand by the President... - Theodore Roosevelt, Lincoln and Free Speech, Metropolitan Magazine, Volume 47, Number 6, May 1918.
Every Communist must grasp the truth. Political power grows out of the barrel of a gun. Our principle is that the Party commands the gun, and the gun must never be allowed to command the Party Mao Zedong, 6 November, 1938 - speech to the Communist Patry of China's sixth Central Committee
Bookmarks