If you're going to get a longer rail and cover up the gas block anyway, you could take that grinder with cutting wheel and just cut off the iron sight portion of the stock gas block.
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I understand the female thing, I have a wonderful wife, and two wonderful, grown daughters (). If you can get her to buy into a "covered" by the hand-guard gas block, just cut your existing one down and buy the appropriate hand-guard over it to hide it! (and she'll probably never know!)
She got kind of excited when I told her that I might even be able to find parts in different colors. Lol.