Fully & Semi Automatic Shooting Mode 
Open Bolt System
Metal Receiver & Receiver Cover
Fixed Front & Range Rear Sight 
Folding Stock 
Real Steel Style Trigger Group
Polymer Handguard & Stock
Polymer Pistol Grip
Adjustable Hop-Up System

<<As Well AK GBB Rifles are just WE cloned products, high skill of handling and only recommend to who have a high repairing skills customers, NO CLAIM & NO RETURN>>