SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/hunt-410-bore

Which common shotgun is named by its actual bore measurement, not by gauge?

The .410.

  1. The .410 ✔
  2. The 12 gauge
  3. The 20 gauge

Why: Most shotguns are named by gauge, the lead-balls-per-pound system. The .410 is the exception: it is named by its bore diameter. That is why it has a decimal point.

Huh, didn't know that: The number .410 is the bore diameter in inches.

The dad joke
Why did the .410 feel special? It was the exception to every rule.
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Sources

  1. Massachusetts Hunter Education Lesson 2B Firearms Basics https://www.mass.gov/doc/lesson-2b-firearms-basics-0/download
  2. CT DEEP Hunter Safety Exam Answer Key https://portal.ct.gov/-/media/DEEP/hunting_trapping/pdf_files/Hunter_Safety_Manual/ExamAnswerKey.pdf?la=en

Test yourself in the game

Hunting SafetyWhat does the '12' in a 12-gauge shotgun measure?Hunting SafetyAccording to the NSSF, how far can shotgun pellets travel?Hunting SafetyWhat can happen if a 20-gauge shell is loaded into a 12-gauge shotgun?

That's stuff everyone should know.