VFC 416, My pride and joy.
Externals, back to front:
Element CTR stock w/ G&P buffer tube
Magpul ASAP sling adapter
Magpul PTS MIAD grip
Magpul MOE Trigger guard (FG)
Magpul XTM rail cover (8 FG and 10 black)
Magpul PTS AFG
Internals: currently shoots 396 FPS @ 26 RPS
Unknown brand M120 spring
SHS ball bearing spring guide
Deep fire piston w/ Systema silent piston head
Systema Silent cylinder head
G&G air nozzle
CA hop-up unit with ICS bucking and SCS nub
Matrix Steel 6.03mm 400mm tightbore
New gen JG gears
EG700 motor
And of course 11.1v 1200mAh 12C lipo shoved into the buffer tube.

There's a difference between a person who has a screwdriver and a person who knows what they are doing.