US$ 39.00
One-piece CNC Aluminum Milled Upper Receiver with authentic laser engraved marking
30mm low-profile ring mount
-Two Ball Bearing Bushing Inside
-Item Weight (gram): 420
For MARUI M4 MWS GBB
Spear Arms CNC Steel Barrel Nut Adapter for Marui M4A1 GBB Rifle Category_Bushing One-piece CNC Aluminum Milled UpperWeight: 10g Color: Black Material: Steel Steel Barrel Nut Adapter For Tokyo Marui M4A1 MWS GBB Secure the solid installation if the barrel nut & outer barrel Include washer set to ensure a perfect fit between barrel nut & upper receiver
US$ 39.00
US$ 37.50
US$ 189.00
US$ 19.95
US$ 10.99
US$ 14.99
US$ 199.00
US$ 63.43