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Nerf guns are a favorite among steampunk enthusiasts, as they can be modified in so many ways.

Della's weapons are more crossbow than a standard one but I just had to post it. Steampunk Weapon #24 by Olteanu Alexandru

Steampunk weapons, that bow. Holy mother of all things holy, that Bow

For those days when you need to get things done...  Steampunk weapon concept by ~FakeRabbit

I could see this as a cyberpunk weapon where a tool is converted into a street weapon. This is a Steampunk weapon concept by ~FakeRabbit

GameSpy: Kingdom Under Fire: Circle of Doom - Page 3

GameSpy: Kingdom Under Fire: Circle of Doom - Page 3 Mais's excellent #Hammershot custom, a #Dieselpunk and Steampunk combo. It's a very detailed tutorial.

Nerf Hammershot custom Dieselpunk / Steampunk by Et/nerf-hammershot-diesel

How To Make Your Own Steampunk Weapon

How To Make Your Own Steampunk Weapon

Steampunk weapon -- conversion of toy flintlock and water pistol. I just happen to have a toy flintlock lurking around.

My "Harbinger" sniper rifle.

My "Harbinger" sniper rifle.

Ideas for props for Hunter Outfit Various Calvan rifles after restoration. The top one could be an archeotech rifle.

Anthony: i like the idea of weapons being implemented in the game, these designs are really good

Steampunk shoulder armour

Steampunk shoulder pad final by LahmatTea armor equipment gear magic item…

this is a standard looking 19th century based revolver which has some interesting patterns on the grip, and showing the way it would reload adds that little bit extra to it.

Concept Art For An Assassin's Creed Set In Victorian London

Part of a series of illustrations imagining Assassin's Creed set in Victorian London: