Tokyo Marui Type 89-F (AEG)

Ambidextrous fire selector + picatinny mount
Prometheus spring guide
433x6.03mm Prometheus barrel
New piston & piston head (don't remember the brand)
4 spare magazines (short, 70bbs)
New hop-up + Modify Flat Soft bucking and nub
No battery

Spring downgraded to ~1J. Comes with a Prometheus MS100 if you want to upgrade it back to 1.2J
All stock parts are provided
GB has been greased