Velocity, energy, drop, penetration and expansion - the numbers behind the marketing, explained for people who buy ammo by the case.
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- Ballistic gelatin is a calibration medium , not a tissue substitute. It exists so two bullets can be compared fairly, not so a number can be quoted at you. - Expansion and penetration trade against each other. The p...
- "Effective range" is not a property of a cartridge. It is the shortest of three limits: terminal energy, your practiced hit rate, and how much trigger time you can afford. - For almost every shooter, the binding lim...
- Subsonic means the bullet stays under the speed of sound, roughly 1,125 fps at sea level. That is the entire definition. - It removes the sonic crack. It does not remove the muzzle blast or the action noise, so subs...
- Shorter barrel, same load, less velocity. That part is physics and it only runs one way. - The velocity printed on the box was measured in a test barrel. Unless yours matches that length, the number is not yours. - ...
Ballistic coefficient is the number that sells long-range ammunition, and it is one of the most consistently misread specifications in the business. It is not a quality rating. It is not an accuracy rating. It does no...
Every ammunition box prints a velocity figure, and most print an energy figure next to it. Both are real. Both get used to argue things they cannot support — that one cartridge "hits harder," that a lighter bullet is ...