Madbull Airsoft Barrel Nut Washer

Madbull Airsoft Barrel Nut Washer Includes:

• 0.1mm X1
• 0.15mm X1
• 1.5mm X1
• 2mm X1

Madbull Airsoft Barrel Nut Washer Features:

• Eliminate gap between rail and upper receiver
• Precisely aligns fastening screws on RIS systems
• Ensures stability
• Prevents RIS from angling during installation

About the Madbull Airsoft 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.

Alternate Lookup: MB WASHER