That is not something that I would worry about.
When you think about it, if the CLP was spilled onto the exterior of the slide it would have to wick between the sight and slide, down the the side of the portion of the sight which fits into the cutout on the slide and then up along the threads of the machine screw holding the sight in place.
I've installed dozens of aftermarket and Glock front sights on pistols, most of which were used that same day and then cleaned that evening (LE training range) with no problems.
I wouldn't be concerned, you can always periodically check your front sight for looseness to reassure yourself.
Last edited by 26 Inf; 09-20-18 at 18:28.
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
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