7mm Oily Steel Bushing

These metal bushings are a great upgrade to the plastic ones that may be inside your current AEG.  Available in several sizes and types – Be sure the get the ones that properly fit your AEG.  These metal bushings will last much longer and be more durable than plastic stock bushings and they will work with Marui, Classic Army and most other AEG Manufacturers.
Most AEG&#39s use 6mm bushings.7mm size is less common.