I have three ARs with the Troy Alpha handguards, and they aren't hard at all to adjust. By far my favorite handguards I have. I have YHM customizable, DD quad rails, etc on my other ARs, and the Troys are my favorite. Very light, completely customizable, and you can buy more of the rail section if you need them. Very easy to add the sections to add a grip, light, whatever.
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