Retro Arms AEG AR15 INOX Outer Barrel Nut Locking Washers .2mm (5 Pack) (GG07-04)

Features

• Eliminates gaps that may occur in between barrels and the barrel nut, upper receiver, and outer barrel, or anywhere in between
• Ensures stability of outer barrel and RIS systems when installing
• Prevents any outer barrel or rail alignment issues
• .2mm thickness each