Cycle of Fire (Exam 3) Flashcards
Why is the cycle of fire important in firearms identification?
Toolmarks are capable of forming during the cycle of fire
What is the first step in the cycle of fire?
Feeding
What happens during feeding?
A round is placed just to the rear of the chamber
After feeding, what comes next?
Chambering
Define chambering.
Pushing a cartridge forward into the chamber portion of the barrel
After chambering, what comes next?
Locking
After locking, what comes next?
Firing
What exactly happens during firing in terms of the primer and the bullet?
The primer is stuck, and the bullet is subsequently fired
What 3 components of a projectile will you find impressions after firing?
1) Bullet
2) Primer cap
3) Cartridge case
What causes impressions on the bullet as it is fired out of the firearm?
Scraping along the lands and grooves
What causes the impression on the primer cap during firing?
The hammer striking it
What causes the impression on the cartridge case during firing?
The case itself slamming back
After firing, what comes next?
Unlocking
After locking, what comes next?
Firing
After extracting, what comes next?
Ejecting
