Which add-on am I?

[Unwritten Calender]

Shockwave?

Yes.

[Ad Bot]

[star9578]

I am a weapon.
I am silver.
I have six barrels.
I am old.

[Kalphiter]

Revolver

[GreenBH]

I am white
I am the most powerful machine gun in Blockland
I'm useful for dogfights
I am real

[A.R.C.]

A cigarette.
That's what you are.

[Unwritten Calender]

Revolver

sixshooter hurrdurr

[A.R.C.]

sixshooter hurrdurr

Isn't the six shooter a revolver?

[Tingalz]

Isn't the six shooter a revolver?

Yay you're on.

[star9578]

Revolver

No.

sixshooter hurrdurr

No.

[GreenBH]

A cigarette.
That's what you are.

A cigarette isn't a gun...

[Kalphiter]

A cigarette isn't a gun...

But it is you, and you also happen to be a gun.

[Moppy]

I am white
I am the most powerful machine gun in Blockland
I'm useful for dogfights
I am real

TF2 Minigun

[star9578]

The add-on I am thinking of is the same as green's:
Minigun.

[GreenBH]

The add-on I am thinking of is the same as green's:
Minigun.

/applause

[WhatevaGuy]

Isn't the six shooter a revolver?

Sixshooter:
http://www.usfirearms.com/im/frontier_six_shooter_large.jpg

Revolver:
http://www.beginnersguide2guns.com/_img/revolver.jpg
Almost the same, as you can see.