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Not the EXT, but I have been running the AC for the past 3 months. I had 4 punctures in 2 tyres, 2 each. All of them have been by running low pressure and pinching/cutting the sidewalls on sharp edges under the kindness of my 80kg. One sealed, the other 3 times the tyre unseated before it could seal. Other than that pretty easy to set up and no other punctures (that I know of).
Decent tyre, the AC I mean, but lacking that mud thread for this time of the year.
Do you have any experience in running these tubeless? Trying to decide between these and some Schwalbe X-One all rounds which are supposed to be quite easy to set up tubeless.
Edit: this was meant to be in reply to the Gravelking EXT @giofox