| Availability: | In stock |
| Delivery time: | Standard DPD shipping |
Madbull Barrel Nut Washer.
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.
Set contains:
Features:
- Eliminate gap between rail and upper receiver
- Precisely aligns fastening screws on RIS systems
- Ensures stability
- Prevents RIS from angling during installation