What Your Box of Ammo is Telling You

Published on June 10, 2024
Duration: 0:54

This video explains how to read ammunition packaging, clarifying that numbers like '115' refer to bullet weight in grains, not round count. It defines a grain as approximately 0.065 grams and identifies '1200 FPS' as muzzle velocity. The content highlights common misconceptions about ammo markings and provides essential information for new firearm owners.

Quick Summary

The '115' on a 9mm ammunition box indicates the bullet's weight in grains (gr), not the round count. '50 RDS' means 50 rounds. '1200 FPS' is the muzzle velocity in feet per second. One grain equals about 0.065 grams.

Chapters

  1. 00:00Common Ammo Box Misconceptions
  2. 00:05Round Count vs. Grain Weight Explained
  3. 00:10What is a Grain? (Grams Conversion)
  4. 00:30Understanding Caliber & Muzzle Velocity (FPS)

Frequently Asked Questions

What does '115' mean on a 9mm ammo box?

The '115' on a 9mm ammunition box typically refers to the bullet's weight in grains (gr). For example, 115 grains is a common weight for 9mm Luger training ammunition.

How many rounds are in a box of 9mm ammo labeled '50 RDS'?

The '50 RDS' marking on an ammunition box indicates the quantity of rounds. Therefore, a box marked '50 RDS' contains exactly 50 rounds of ammunition.

What does '1200 FPS' mean for handgun ammunition?

'1200 FPS' stands for 1200 feet per second. This measurement represents the muzzle velocity, indicating how fast the bullet travels when it exits the firearm's barrel.

How much does one grain of bullet weight weigh in grams?

One grain (gr) is a unit of mass used for bullet weight. It is equivalent to approximately 0.065 grams.

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