Could someone explain the different gens of Umnumzaan

[brym]

Could someone explain all the different umnumzaan gens to me?

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[Ajack60]

Here’s a pic thread that covers the different changes to the Umnumzaan. When the Umnumzaan was first offered, it did not have the lock bar stop. I don’t know when the pivot size changed. There’s not really many changes that have been made.
Thread 'Umnumzaan pics'
https://www.bladeforums.com/threads/umnumzaan-pics.1522075/