Canadian Firearms Safety Course (CFSC) Practice Exam

Question: 1 / 400

How does a primer function in a firearm?

It holds the bullets in place

It acts like a cap that ignites the powder charge

A primer functions in a firearm by serving as the ignition source for the gunpowder charge within the cartridge. When the firing pin strikes the primer, it causes a small explosion that ignites the gunpowder, leading to the rapid expansion of gases that propel the bullet out of the barrel. This ignition process is crucial for the operation of a firearm because without it, the gunpowder would not ignite properly and the cartridge would fail to fire.

Understanding this mechanism highlights the role of the primer as a critical component for the successful firing of a round. It is specifically designed to be sensitive to the impact of the firing pin, ensuring that even a small force can create enough energy to ignite the powder charge. This direct relationship between the primer's ignition and the overall firing cycle of a firearm underscores its importance in operating effectively and safely.

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It measures the powder load

It prevents misfires

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