Airgun Technologies AGT Uragan 2, Threaded Barrel?

I posted earlier that I have been researching the Taipan Vet 2 and AGT Uragan 2. I am trying to confirm the Uragan 2 barrel uses grub screws to hold the barrel in place instead of being threaded into the block/receiver. Just curious what everyone's thoughts are on the 2 different means of securing the barrel. My research shows the Vet2 is threaded, which seems like a better design compared to grub screws. Your thoughts?

Thanks,

Vern
 
I posted earlier that I have been researching the Taipan Vet 2 and AGT Uragan 2. I am trying to confirm the Uragan 2 barrel uses grub screws to hold the barrel in place instead of being threaded into the block/receiver. Just curious what everyone's thoughts are on the 2 different means of securing the barrel. My research shows the Vet2 is threaded, which seems like a better design compared to grub screws. Your thoughts?

Thanks,

Vern
I have the uragan 2 and the vet one.

The uragan 2 has 8 big grub screw securing the barrel at intervals, with machined flats at those spots. Nothing is going to move that barrel, so I'd say it's much over muchness really.

What was said about the metal on metal contact and no barrel orings at the transfer port is true, but the tolerances on all the the guns I've come across are so tight that along with the pressure from the securing grub screws, there has been zero air leak at the breech during the shot cycle.
 
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I have the uragan 2 and the vet one.

The uragan 2 has 8 big grub screw securing the barrel at intervals, with machined flats at those spots. Nothing is going to move that barrel, so I'd say it's much over muchness really.

What was said about the metal on metal contact and no barrel orings at the transfer port is true, but the tolerances on all the the guns I've come across are so tight that along with the pressure from the securing grub screws, there has been zero air leak at the breech during the shot cycle.
Thank you for the info!