J.K.Army have sent over details of the Hydra MK18 MOD1 they are stocking:
Hydra M4 MK18 MOD1 Airsoft AEG Rifle ( BK )
Overall length (mm): 700/783
Muzzle velocity (fp/s)0.2GBB: 370-390
Gearbox: NO.2 Aluminum Gearbox; 9MM Bearings;
NO.3 Bearings Spring Guide ; three steel Gear nylon Piston;
Silicone wire; T Plug;
O-Ring Nozzle;Steel Gear Set
Motor: HD NO.2 High Speed Motor ( Long )
Remarks: Steel Bolt Catch；Steel Front Sight;
Steel flame trap;Steel Selector;
Steel Trigger;Steel Magazine Catch;
CNC Machined Aluminum Receiver; Aluminum Outer Barrel;
Aluminum CNC rail interface system（ RISII）
Weight: 2490g
Hong Kong Brand, Highest Quality.
http://www.jkarmy.com/eng/magento/hydra-m4-mk18-mod1-airsoft-aeg-rifle-bk.html
(J.K.Army)
