Canadian Firearms Practice · Question
A 'dud' or misfire in a rimfire firearm is often caused by what?
Rimfire priming compound is spun into the rim; if it is not distributed evenly, the firing pin may strike a 'dead' spot.
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Question: A 'dud' or misfire in a rimfire firearm is often caused by what?
Answer options:
- A high-pressure gas leak ✅ The firing pin striking the edge of the rim where no priming compound is present
- A headspace issue in the chamber
- Using black powder instead of smokeless powder
Correct answer: The firing pin striking the edge of the rim where no priming compound is present
Explanation: Rimfire priming compound is spun into the rim; if it is not distributed evenly, the firing pin may strike a 'dead' spot.
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