Tag Archive: m4 hopup

May 01

2016 updated – Airsoft Technology Self-Paced Training Series Assembling a long barrel M4 Airsoft AEG

As part of our Airsoft Technology Self-Paced Training Series, this book is for intermediate level airsofters who want to assemble their own long barrel M4 AEG from scratch. By building a new TM compatible M4 from ground zero you are free from those limitations imposed by the manufacturer default configuration. We show you how to …

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