Madbull - Barrel Nut Washers

  • $7.00

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:
- 0.1mm X1
- 0.15mm X1
- 1.5mm X1
- 2mm X1

- 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)