Sectional Density


The ratio of a bullet’s weight to its cross-sectional area; higher sectional density often translates to better penetration.

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Caliber

The internal diameter of a firearm’s barrel or the bullet’s diameter (e.g., .223, .308).

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Foot-Pounds of Energy (FPE)

A measurement of a bullet’s kinetic energy at impact, indicating stopping power for hunting.

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Hollow Point

A bullet design featuring a cavity in the tip for controlled expansion, increasing its effectiven...

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