Lambda have shared details of their new AEP inner barrels:
Dear Sir
Here is lambda Airsoft in Japan,Today we inform lambda add "6.01 AEP Inner Barrel" to line up.This is the highest quality material we use. The tolerance is 1 micron class. So you will find an improved FPS just put into the AEP GUN. Please see our web site and ask to your friendly dealer.
(Lambda)
