You can check the weapons those can be upgraded and their level in the Lab.
In order to upgrade the weapon, please follow the steps below:

1. Open Inventory;
2. On the top left side of the Inventory window, you will see 4 vertically aligned icons. Select “The Lab” option.
3. Once you open the lab, you may choose now the given weapons and upgrade them.

Once you select a weapon, you will see on the top the weapon’s name and you can check the level.
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