Bungie Answered
Weapon mods in Armory no longer show they're equippable (arrow icon)
I have Scar equipped. Tooltip shows that the mod fits the gun, but the icon itself has a cross icon, as if it doesn't. Tested and it's the same across all guns.
Mods in Vault and Backpack work correctly.

4
Comments
Hi there,
Thank you for reaching out and for reporting this.
Could you provide a few more details to add to your report?
If you have any videos of this happening in-game, can upload the footage to a public video hosting site, like YouTube, then post the link here and we’ll be glad to take a look.
Known Issue unfortunately, we’re working on it.
Im on PS5 and I have the same issue since the most recent patch. By the way, Marathon is incredible.
I'm confirming the same experience.
Hi there,
Thank you for the report.
We are aware of this issue and are investigating to resolve this as soon as possible.
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