Tag: bullet diameter

Modern Intermediate Calibers: Trade-Offs – Bullet & Bore Diameter

Posted November 12, 2016 in Ammunition, AR-15, Guns & Gear, Other Gear & Gadgets, Rifles by Nathaniel F with 57 Comments

Probably the most obvious element of ammunition design is the choice of caliber, or more specifically the choice of bore and bullet diameter. These two dimensions are of course closely linked in conventional ammunition systems (they can be decoupled with sabots, but [Read More…]

Ballistics 101: What Is Caliber, Exactly?

Posted April 30, 2016 in Guns & Gear, Pistols, Rifles by Nathaniel F with 111 Comments

“Caliber”. It can mean a lot of different things, but when we use it, what does it really mean, and what’s its significance? Title image: From left to right are the 7.65 Parabellum, 7.63 Mauser, .300 Blackout, 7.62×45 Czech, .30 Remington, 7.62 [Read More…]