The Brunt’s Armory shop does not have a listing for the Mk4 Claw Sword. I am only able to buy them from the standard Requisition Shop. I tested this with my psyker and my zealot.
I also confirmed this with another psyker in the Morningstar.
Steam
November 1, 2023, 1:08 PST
Veteran armory also does not selling it. This happened after Hotfix 1.2.3 update.
Yeah same thing here, I thought I was going crazy but you can’t buy it form brunt anymore
confirmed, having the same issue, FS please fix.
This has been resolved via our backend, and should no longer be an issue. 
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