Use "harpoon gun" in a sentence

1. Sam Burich held his harpoon gun ready.

2. Harpoon gun, parachutes built into seats, ejectable roof.

3. Brower, the grandson, still uses a heavy brass harpoon gun stamped as having been made in a very different whaling capital, New Bedford, Mass.

4. Destroy the bouncing Bubbles by splitting them again and again with a line from your harpoon gun, but don’t let them touch you! Collect items dropped to gain advantages and score bonus points by eliminating all the Bubbles before time runs out