Canadian Firearms Practice · Question
Which of these is the ONLY shotgun 'gauge' that is actually measured in caliber (fractions of an inch)?
The .410 is a caliber (bore diameter of .410 inches), but it is commonly used in shotgunning alongside gauge-measured firearms.
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Question: Which of these is the ONLY shotgun 'gauge' that is actually measured in caliber (fractions of an inch)?
Answer options:
- 12 gauge
- 20 gauge ✅ .410
- 16 gauge
Correct answer: .410
Explanation: The .410 is a caliber (bore diameter of .410 inches), but it is commonly used in shotgunning alongside gauge-measured firearms.
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