Welcome to the HPA-specialized shop and service !
There are 6 products.
F1 - HPA engine replacing AEG cylinder.
Simple and universal mod.
We reccomend it to assault and support rifles.
F2 HPA engine for M14 G&G
F2 HPA engine for SVD Real Sword
JACK - HPA engine replacing AEG cylinder.
Simpler version of F1. Weaker nozzle and smaller valve.
We reccomend it to assault and...
FUSION ENGINE - COMPLETE HPA GEARBOX
Replacement nozzle nad poppet valve.
Reccomended to ALL replica variants (from CQB to sniper...