#Bore
![[SHOT 2018] Surefire](https://cdn-fastly.thefirearmblog.com/media/2024/05/16/02026/shot-2018-surefire.jpg?size=720x845&nocrop=1)
Ballistics 101: What Is Caliber, Exactly?
“Caliber”. It can mean a lot of different things, but when we use it, what does it really mean, and what’s its significance?
“Caliber”. It can mean a lot of different things, but when we use it, what does it really mean, and what’s its significance?
