» Barrel Nut Washer
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Barrel Nut Washer
Main Function: 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.
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Barrel Nut for Daniel Defense MFR-Fit G&P
This barrel nut is specifically for attaching the Madbull MFR rail to G&P receivers. Learn More -
Barrel Nut for Noveske NSR-Fit AEG
This barrel nut is specifically for attaching the Madbull Noveske NSR rail to G&P receivers. Learn More -
Barrel Nut for Noveske NSR-Fit G&P
This barrel nut is specifically for attaching the Madbull Noveske NSR rail to G&P receivers. Learn More -
Shim set
Shim set Learn More