Huben GK1 - Tuning - Huma-Air Regulator Kit (in-depth) Installation Video
28:26
Huben GK1 - A more in depth look & a few must have upgrades !
8:57
Der Heilige Gral der Luftpistolen - Huben GK1!
8:45
Huben GK1 (SUPER SHORTY) Most Compact Semi Auto Air Pistol.Still powerful?Winter Testing.
10:39
Huben GK1 Rear Picatinny Adapter install for Stock accessories
3:42
Kompresor 300 bar YongHeng
25:50
Making a historical crossbow - with the HIGHEST arrow speed?
6:46
Mounting Huma Regulator Kit into Huben GK1
9:38