JAG Precision have been taking a look at the Umbrella Corporation pistol grip 23 from MadBull:
The JAG Arms PHX15 is a great rifle to begin with but if you wanted to customize it you will have to use MadBull parts since they are the best option!
Read more about the Umbrella Corporation Pistol Grip 23 and why you need to use it
http://www.jagprecision.com/umbrella-corporation-grip-by-madbull-airsoft/
