● SSS.III E-trigger system
● Smart Trigger & Pre-cocking Function
● Titan T-Dean Plug
● EBB System
● Lightweight 9.8" M-Lok handguard
● 20° Vertical Pistol Grip
● Competition Short Stroke Flat Trigger
● Blaster Flash Hider
● Reinforced Full Metal Teeth Piston
● MASTER AL6061 Cylinder Head & Piston Head & Air Nozzle
● MASTER Hop Tensioner Nub
● ICS Split Gearbox
● QD Spring Guide Design
● One-piece Metal H-UP Chamber
● Spring Release Function