Answer:
The primer explodes and sparks the gunpowder
Explanation:
After the firing pin strikes the primer .the primer ignites the gun powder generating gas pressure which forces the bullet out and out of the cartridge.
Rifles are long-barrelled firearms made for shooting. The bullets in the rifle are spun for greater accuracy at long range. The firing pin when strikes the primer, causes the explosion.
The next sequence after the firing pin striking the primer will cause the explosion and cause sparks in the gunpowder.
The firing pin when strikes primer, explodes and sparks the gunpowder. The spark produced in the primer causes the ignition of the gunpowder. The burning gunpowder then produces gas that rapidly expands in the cartridge.
The expansion of gas forces out the bullet present in the cartridge and down the barrel with extremely high velocity.
Thus, the correct answer is Option 4.
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https://brainly.com/question/8310358
