The AR Upper Vise Fixture Tool is a premium product made in the United States with USA aluminum. This vise fixture is designed to securely hold and position uppers for easy cleaning and inspection in a vice. As well as swapping, adding sights, scopes, or other rail mounted accessories. Made with durability in mind, this fixture is a reliable tool for businesses and personal need of a high-quality workholding solution.
Please feel free to reach out with any questions.
I have tested these on multiple different uppers and hand guard combinations . But I'm sure there is a combination out there that doesn't fit it. Please reach out and I will modify it to fit at no cost. (I will need pictures to see areas that need modification)