-This pre-made SR15 gearbox and E3 metal body is a great platform for hardcore players who love fully customizing their guns. 
-G&P bodies are well made, look great.
-The good stock performance, remarkable appearance, and upgradeability make this items a very appealing product for modders.

Remarkable feafure:
-Trigger Pull
-Mildly firm trigger pull, it isn't overly heavy or light. It is just right.
-SPR ergonomic grip
-7mm reinforced gearbox
-G&P m120 motor