Not to the best of my knowledge. His front sight is a little narrower than a stock night sight, but I'm not sure of the height.
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It's an issue of annoyance to me. However, there's other sights that don't rust in my gun safe so I voted with my dollar.
Corrosion on sights will happen from time to time no matter who is making the sights. I don't know any night sight company that does its own refinishing, which means you're relying on a third party. Once in a while, a batch isn't done well. There's little the sight company can do about it, especially since small imperfections can be impossible to detect.
I agree on the maintenance going a long way. I have two Glocks with the original Heinie rear sights (pre-slant pro). The only rust on either has been where the sight MGW sight pusher rubbed the finish off the right side on the first one I installed.
I wipe my guns off at the very least every couple of months...usually using a silicone cloth.
I always use a good cold blue to touch up any marks left over from sight installation and then give em a good coat of oil and wipe off. Seems to prevent rust. I always wipe off my sights with a lightly oiled patch or something when I clean my guns. Try to head off any corrosion that might occur. Rust seems to occur more often during the summers in Georgia. Sweat and humidity can kill exposed steel quickly. YMMV.
I've become spoiled by modern finishes.
I received my M&P slide back from Heinie last week. I had their SlantPro QWIK Straight Eight sights installed. I'd been using their SlantPro Straight Eight's on my Glocks for years and had been anxious for them to come out with Straight Eight's for the M&P. The QWIK set appears to be a combination of the features of the SlantPro, Race Cut, and LEDGE rear sights.
I noticed right away that the M&P Straight Eight's are the same height as the factory Novak's. In spite of the tritium insert, the Heinie front sight is slightly more narrow than the Novak.
The tritium inserts are bright and the rim of the tube isn't overly large or pronounced. They're not as obnoxious as a Big Dot.