How to install upgrades to Delta Armoury Freya M4 style AEG #airsoft

A short video showing how to make simple upgrades to the Delta Armoury Freya using the quick change spring guide to upgrade to an M110 spring and how to change the inner barrel Go and Check out Luca's channel ‪@SabreAirsoftUK‬ also has a link to his website for Tech work 👍