DETAILS
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.
Package include:
1 x 0.1mm
1 x 0.15mm
1 x 1.5mm
1 x 2mm
Features:
Eliminate gap between rail and upper receiver
Precisely aligns fastening screws on RIS systems
Ensures stability
Prevents RIS from angling during installation
Brand Compatibility (Optional)
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