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Oct 24, 2021 - 02:02 PM
These seem to be made of aluminum.
What metal are these shims made of? Madbull Barrel Nut Washer | MBNW | Internal Upgrades
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Open May 08, 2023 - 11:29 PM
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Madbull Barrel Nut Washer | MBNW | Internal Upgrades
This Madbull Barrel Nut Washer is made to eliminate gap between rail and upper receiver. These washers will ensure a contour fit between barrel nut and upper receiver, eliminating misalignment and RIS instability. The MB Barrel Nut Washers come in 4 sizes to fit many different configurations.Package...
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