Tang does another episode of the Jag Precision 101 Back To Basics Video Series, covering hop-up adjustment this time... "Today we will talk about adjusting the hopup, what that does, and how to do it for the two most common types of AEGs: the M4 and AK.
The 101 Back to Basics video series
In this video series, we cover all the basics for using and maintaining your airsoft guns. This is geared just towards new players and is here as a resource for those who want to better understand the function of airsoft guns. Check out other videos in the Back to Basics playlist for more tips and tricks."