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Canadian Firearms Practice · Question

Shotgun shells are measured by 'gauge'. Which of the following is the LARGEST bore diameter?

In gauge measurement, a smaller number indicates a larger bore diameter (except for .410, which is a caliber).

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Question: Shotgun shells are measured by 'gauge'. Which of the following is the LARGEST bore diameter?

Answer options: ✅ 10 gauge

  • 12 gauge
  • 20 gauge
  • 28 gauge

Correct answer: 10 gauge

Explanation: In gauge measurement, a smaller number indicates a larger bore diameter (except for .410, which is a caliber).

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