G&G Drop-In Upgrade Gearbox
Upgrade Gearbox built from the ground up in Austria featuring a fully programmable trigger unit with a button trigger sensor.
ETU Trigger Unit with PERUN ETU++ Extension (Programmable)
Umbrella Hair Trigger Tuning (Red Trigger)
Umbrella Air Nozzle Aluminium
POM Cylinder Head
3/4 Brass Cylinder
Umbrella Piston with AOE Correction
Umbrella Piston Head
Umbrella 8mm High Strength Bearings
Krytac Tappet Plate
Umbrella Hardened Steel Gearset (Short Stroked)
Krytac Nautilus Gearbox Shell
Krytac Spring Guide
Guarder Spring (depends on selection)
Compatibility: AEG V2 (including G&G, VFC, and more)
G&G: ARP9, ARP556, SR15, SR30 and most others.
Contact us to find out if your gun is compatible.