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.
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
WEBSHOP: IN STOCK
STORE Belgium: IN STOCK
Order and pay today, delivery next business-day.
DPD: please order before 13h ; BPOST: order before 16h.