(GSI) Gun Safety Instructor Practice Test
GSI - Gun Safety Instructor GSI GSI Ammunition & Ballistics
What does the term 'caliber' refer to when describing ammunition?
Select your answer
A
The weight of the bullet in grains
B
The diameter of the bullet or bore in inches or millimeters
C
The length of the cartridge case
D
The amount of powder charge in the cartridge
Hint