I've been making some custom stickers but they don't show up on certain guns during gameplay. Strangely enough, they do show up in the weapon customization and cosmetic menus, just not gameplay.

The sticker applied in the customization menu:

The gun in-game

(This happens with all my custom stickers)

The guns I've seen this problem:

• SA A144
• Mosconi
• VF-7S
• Signature 40

I've tried making one of them smaller but It had the same problem. Is this a known problem or am I doing something wrong?