SVT-40 is a mod for the game Fallout 4 that adds the two legendary firearms, Azureus and Krasnaya Zima, to the game. This mod is based on the original game. It adds weapons to the world, and the player can obtain them by killing enemies or buying them from a vendor. It is also possible to obtain them by crafting them.

The weapons are placed on the world map, and the player can move them around and place them in the world. It is possible to obtain all of the weapons by killing enemies or buying them from a vendor.