Hi, the HDX is a rifle rather than a pistol, so max 12 ft lb, 16 j. But not steel balls. This ammo may be available but not legal in the UK. stay safe Andy
The 16 joules version isn't legal in the UK.
With steel balls this would become lethal!
Thanks, I’m all for staying within the law. Much appreciated
The 16 joule version is UK legal, I have one bought from DAI. And with the rubber steel balls it gives a chrono reading of 11.5 ft/lbs