Sharps rifle

Okay.

Sharps.

I'm wondering if that refers-

They were sharp at cards, you know?

It's very quick.

It was.

Sharp shooter actually derives from Sharps shooter.

It was a Sharps rifle.

Okay.

So his gun was, in the movie, a Shiloh Sharps 1874 long range rifle with a 34-inch barrel-

Yes

... which is four inches longer than the standard 30-inch barrel, converted to fire a 45-110 metallic cartridge with a 540-grain paper patch bullet.

So-

The Sharps

... that's what that thing was.

The Sharps rifle.