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Canadian Firearms Practice · Question

What specific risk is associated with firing a firearm that has a small amount of water or heavy mud in the barrel?

Any obstruction, including water, mud, or snow, can cause a massive pressure spike that can destroy the barrel and cause injury.

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Question: What specific risk is associated with firing a firearm that has a small amount of water or heavy mud in the barrel?

Answer options:

  • The firearm will fail to eject ✅ Extreme pressure buildup causing the barrel to bulge or burst
  • The ammunition will become 'rimfire' instead of 'centrefire'
  • The firing pin will rust instantly

Correct answer: Extreme pressure buildup causing the barrel to bulge or burst

Explanation: Any obstruction, including water, mud, or snow, can cause a massive pressure spike that can destroy the barrel and cause injury.

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