Rhino M1 Revolver is an addon for free in the game. It's a standalone addon and doesn't need to be downloaded or installed to your device.

You can use it without any issues and it won't cause any problems to your game. You don't need to download it and install it on your device. 

It's compatible with most of the devices and versions of the game.

It can be used with and without the Far Harbor expansion.

It's a single-player addon and it doesn't need to be used with others.

It's a new and unique weapon that will give you a lot of options and you can customize it to your liking.

It has a different appearance and sound compared to the other weapons in the game.

It can be used by all the players.

It can be used with or without the Far Harbor expansion.