Firearm That Was First Produced by Samuel Colt
This page is the CodyCross answer for the clue below from World of Books, Group 287, Puzzle 4 (Reading Rooms).
Question is: Firearm That Was First Produced by Samuel Colt
and the answer is: REVOLVER
Word Meaning:
REVOLVER — (firearms) A handgun with a revolving chamber enabling several shots to be fired without reloading.
Definitions from Wiktionary.