AEG Parts - Internal

The Rocket Airsoft (SHS) Shims Airsoft Full Set.  A full set of airsoft shims. Tired of your gearbox sounding like a child crying over spilled milk? Well fret no more, this...

Airsoft Prometheus Shim Set. Super high quality metal shims, made in Japan. Perfect high-end mechbox shims for your airsoft gun. If you're upgrading your gun with some heavy equipment, we'd...

Modify Advanced Shim Set for airsoft gearboxes.  A full shims set to shim your gun.  Contains a bunch of very high quality shims.  You'll love this set of shims. shimmy...

Modify Anti-Reversal Latch for V2/V3.  Includes spring.  Fits most airsoft gearboxes (Version 2 and Version 3).  High quality from Modify.