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Canadian Firearms Practice · Question

Why is it dangerous to immediately open the bolt after a failure to fire occurs?

If it is a hangfire, the primer could ignite a second or two after the strike; if the bolt is open, the casing will explode without the support of the chamber.

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Question: Why is it dangerous to immediately open the bolt after a failure to fire occurs?

Answer options:

  • It might damage the extractor
  • It might cause the firearm to go full-auto ✅ The round might detonate as it is being extracted (hangfire)
  • The firing pin might bend

Correct answer: The round might detonate as it is being extracted (hangfire)

Explanation: If it is a hangfire, the primer could ignite a second or two after the strike; if the bolt is open, the casing will explode without the support of the chamber.

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