horse pistol
horse-pistol

"Bill had forgotten that he had this big horse pistol in his briefcase."

Why did you drag out the old horse pistol, Mycroft?

Dawlish put it into words, a heavy horse pistol in his hands.

The servant was toting an old horse pistol; he flashed a light ahead of his master.

I still held the remaining horse pistol, which was unfired.

Ryan spotted the heavy old horse pistol that was jammed into the man's wide belt.

With his other hand he brought a huge old horse pistol up to the back of Drew's head.

At this point, Fergus strolled into the house, an enormous horse pistol in his hand.

Raoul raised the massive horse pistol, pointing it at Gray's chest.

He raised a massive horse pistol in his fist.