As suggested, inspecting to find the cause is really the first step. ID which cylinder, pull the valve cover and inspect, stick a bore scope in and see if that reveals anything in the cylinder, piston or head.
From what I understand CZ USA receive batch shipments of of various products from Europe that tend to sell out quickly, they do service a worldwide market.
Add that to the importer / distributor / consumer / Colt mix it's not a total surprise they're not the most responsive to individuals. Not...
I believe anything below 1100 fps is considered subsonic.
I'd check your mount then work out in 10 yd increments to try and see what's going on. Zeroed at 25 generally gives a similar zero at 50, once you get out to 75 yds + bullet drop get's measured in inches :)
Thanks for the advice. I ran a cycle with it empty and all seems to work fine apart from no drum movement.
Time isn't on my side, so I'll try to test power to the motor. Ordered a clutch and coupler for $20, don't expect quality for that price, but just to validate if one of them's the...
I'll be dead, or dribbling in a wheelchair, by then, so I think something much cheaper and look at warranty options :)
Tried running a cycle and everything functions apart from no drum movement at all. Thinking of just buying a clutch and coupler and hoping......
Mentions of the coupler or trans sound likely, also seen mention of a clutch unit.....
Hopefully find out tomorrow if I can clear enough space to drag it out and lay it down !
I plan on repairing if I can.
I've had a Whirlpool washer and dryer for 25 years. Only fix needed has been a door switch on the washer. Now the washer has stopped spin drying, the motor sounds like it's running and the rest of the cycle completed fine. Looking online there's almost too much information about potential fixes...
Interesting idea, I'll be following how it develops.
Do you have any estimates as to how many participants you're seeking and any idea of ballpark costs?