GSI Ammunition & Ballistics Flashcards
6 cards from real GSI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 GSI Ammunition & Ballistics flashcards as text
What does the term 'caliber' refer to when describing ammunition?
Answer: The diameter of the bullet or bore in inches or millimeters
Caliber refers to the internal diameter of the barrel bore or the diameter of the bullet, expressed in inches or millimeters.
Which component of a cartridge contains the chemical compound that ignites the propellant powder?
Answer: Primer
The primer is a small cup containing a sensitive explosive compound that ignites when struck by the firing pin, which then ignites the powder.
What is the term for the distance a bullet travels from the muzzle to the target?
Answer: Range
Range is the measured distance between the firearm's muzzle and the target downrange.
Which type of bullet construction is most commonly recommended for personal defense due to controlled expansion?
Answer: Hollow point (HP)
Hollow point bullets are designed to expand upon impact, transferring energy efficiently and reducing over-penetration risk, making them popular for self-defense.
What does 'muzzle velocity' measure?
Answer: The speed of the bullet as it exits the barrel
Muzzle velocity is the speed of the projectile at the moment it leaves the muzzle of the barrel, typically measured in feet per second (fps).
What is the purpose of the crimp on a completed cartridge?
Answer: To secure the bullet in the case mouth and ensure consistent powder ignition
Crimping secures the bullet in the case mouth, prevents bullet movement during recoil or feeding, and promotes uniform powder ignition for consistent ballistic performance.