● SSS.III E-trigger system
● Smart Trigger & Pre-cocking Function
● Titan T-Dean Plug
● Lightweight M-LOK Polymer Handguard
● Large Battery Compartment ERGO Stock
● MASTER AL6061 Cylinder Head & Piston Head & Air Nozzle
● MASTER Hop Tensioner Nub
● ICS Split Gearbox
● QD Spring Guide Design
● Realistic Assist knob Piston Spring Release  Function
● Competition Short Stroke Flat Trigger
● Lightweight  Aluminum Outer Barrel
● Metal Stock Tube