And you make your own parts too, definitely going to stick around with your progress and new projects, I've never seen a 1 in bore airgun before and making a mammoth like you described sounds insane. Interesting tidbits about High Pressure Capacity between the states and overseas as well.

Either way all your exploring is not lost, I'm sure interest will pick up on parts as it rolls out,bad press and unavailability 😮😮

Maybe the answer is a hatsan sortie barrel it has the gas plunger and is long ,then maybe reman the valve so it has no blow by.withe longer barrel comes more rotating mass assembly with it's plunger,more pressure and barrel= velocity maybe 😅

Could you please do a basic video on the Velox showing how to lubricate and maintain it? The included manual provides no instruction.

Have you ever disassembled the Hatsan Bullmaster, Invader, Gladiator or Sortie to see how different this system is? I've taken my Bullmaster apart to diagnosis a leaking seal after about 5 or 6 years of weekly use. There is a plenum (if that's the correct term) that seems to charge up between the hammer spring valve and the actual tank.

So it's using two different systems that it's using I wonder if this was done to make it a more reliable semi auto sense the first design not as reliable the only time it would not cycle is at a really low psi just because both are reallying on air but as long as you've got air it should be a lot more reliable than just wondering on one system.

How about building a semi auto 25cal that done electronically instead of a hammer it a silinoid that hits the back of the valve stem the trigger would be a simple a contact switch engaged from a trigger pushing it in and a electronic control board ran on 20v system basically a drill or power tool battery sense it won't rely on air to cycle it your guaranteed it be more consistent shot after shot and wouldn't need a reg. just 18650 lithium batterys. Keep it super simple it would need a spring fed magazine though. It be similar to a electric paint ball gun. Power mod would be easy sense the action isn't controlled by air. I think evnix had something similar but was really expensive and it was ugly. It's a lot less complex than the velox system with a strong silinoid it can be any caliber you won't need a hammer spring 😊💯👍✌️

Black powder guns can be just like airguns right to your door.