Gas Type : HFC134A / Green Gas / Top Gas (HFC 22) / 12kg-22kg Gas
Barrel Thread : N/A
Hop Up Type : N/A
Suitable : For 20mm Picatinny & Weaver Rail System
NOTE : Charge gas before Loading the BB Bullets. Pull the Trigger to shoot & push the trigger for Recharging Gas. Come with 68mm Length 5-slot 20mm under Rail for Tactical Accessories.
Included Mini Grenade Launcher, Instruction Manual