11:08

Umarex HDP50, No Restrictor, Steel Balls

18:28

LL4D Umarex HDR50 - ZRam ZExtension installation

27:54

DK Spencer builds an HDB from 5 to 70 Joules

8:46

Umarex T4E HDX 40 J cal.68 & chrono.

3:10

Pancho Pistolas Traumáticas 100 Joule Valken M17

12:46

Power Kit Revolver Umarex HDR 50 ~ 30J

24:13

Umarex HDB68, Installing Buttstock Adapter, Homedefence 24

25:56

HDS 68 Full Power with Homedefence-24.