Meucci Carbon Pro V2 ferrule length

Does anyone know what the correct original ferrule length on the Meucci Carbon Pro v2 are?
Reading both 3/8" and 1/2" from different sources.
 
I wonder what kind of ferrule it is? Since the Meucci Carbon Pro has maple wood at each end, does this ferrule wrap around wood? Is it a conventional ferrule?
Compare with the Revo where the ferrule (the vault plate), sits inside the hollow carbon-fiber shaft and part of it sits on top of tube where the tip is glued on.


Meucci Carbon Pro ferrule.jpg

Revo:
Revo figure of vault plate_Silencer_tip.png
 
I wonder what kind of ferrule it is? Since the Meucci Carbon Pro has maple wood at each end, does this ferrule wrap around wood? Is it a conventional ferrule?
Compare with the Revo where the ferrule (the vault plate), sits inside the hollow carbon-fiber shaft and part of it sits on top of tube where the tip is glued on.


View attachment 793447
Revo:
View attachment 793443
Normal ferrule design.
 
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