Spencer pulled the slide back to put a shell into the firing chamber.

The firing chamber in this design is part of the receiver proper.

Magazine holds eight rounds, plus one in the firing chamber.

There's still a round in the firing chamber," he reminded her.

He had fitted a new magazine to his rifle and ran the bolt to put a round in the firing chamber.

You see, it puts all the royalties from my firing chamber in her name.

But I was fortunate enough to design a rather good firing chamber.

You may fool with it because a load has not been let into the firing chamber.

The torpedo tube slid along the bay, and into the firing chamber.

The powder had been put in the firing chamber.