Hereby my Monkey-001 can go, I also bought this one for indoors but did not do anything with it because I do not like playing indoors at all.
The following has been done to the Aap-001:
Action Army AAP-01 Body
AAP-01 CNC Aluminum Upper Receiver Rainbow
STALKER - Morpheus Dual Bore AAP-01 Barrel 129MM
KRAKEN AAP-01 TDC Modular Hopup Chamber (Ultimate Kit) PURPLE (Upgraded from stock)
STALKER AAP-01 TDC Rail Mount Short + TDC WHEEL + Old Hop-Up ( Included extra )
STALKER - SR Hop Bucking - Pistol 60° (Purple)
STALKER – TDC HOOD + Prowler Plate
STALKER - Short Stroke & Nozzle Return Springs (also included)
Cow Cow AAP-01 Stainless Steel Hammer Set
Cow Cow AAP01 Stainless Steel Auto Sear
Charging handle (Action Army)
Fuku-2 Frame Violet CNC Aluminum Accessories
AAP-01/C FUKU-2 Nylon Grip - Black
Neon TracerUnit from Acetech
The Monkey-001 also comes with an HPA Adapter.