2012 Airsoft Technology Self-Paced Training Series Practical Airsoft Aeg Mechbox Upgrade: M4, Sr25, Mp5 & G3 (Paperback) - Common

The book "2012 Airsoft Technology Self-Paced Training Series Practical Airsoft AEG Mechbox Upgrade: M4, SR25, MP5 & G3" teaches you how to optmize your V2/V2-variant based AEG gearboxes. To achieve ultra high FPS, you need to make sure the entire mechbox mechanism is optimized in such a way that the desired FPS can be produced without sacrificing ROF and battery life. High FPS performance must be ...