Basic airsoft AEG upgrades

This video covers some of the common upgrades that I do to make an airsoft AEG more reliable with heavy use and to gain some performance in power and accuracy.

Background Music:
Track 1: Itro x Valcos - Starbound [NCS Release]
Music provided by NoCopyrightSounds.
Watch: https://www.youtube.com/watch?v=2hz668UNTE4
Free Download / Stream: http://ncs.io/starbound

Track 2: Max Brhon - Pain [NCS Release]
Music provided by NoCopyrightSounds.
Watch: https://youtu.be/wf3XPionPXE
Free Download / Stream: http://ncs.io/MBPain