Cyma base gun with following 

B11 zenitco bottom rail 

Airsoft surgeon b11 top rail mount 

Zenitco artk2 flash hider 

Trijicon rep front mni red dot and cover 

Charging handle 

Inside has had quick change spring gearbox with 

13.1 bearing gears 

Perun v3 hybrid

Flat trigger 

Shs metal rack piston and head 

Double oring cylinder head and nozzle 

High torque motor 

Newish Ali hop unit with maple leaf Mr hop rubber and nub with zci barrel 

Four midcaps and two high Caps 

Shoots flawless and is a little monster . Only used on single tbh