Firearms Facts Episode 19: 10mm Short and Wimpy

Published on April 2, 2013
Duration: 4:43

This episode delves into the specifics of shotgun gauge determination, explaining how it relates to the diameter of lead balls. It also offers a practical tip for extending red dot sight battery life by using inexpensive LED tea lights. Finally, the history and comparison of the 10mm Auto, .40 S&W, and .357 SIG cartridges are discussed, highlighting the development of the .40 S&W from the 10mm.

Quick Summary

Shotgun gauges are determined by the number of lead balls of a specific diameter that equal one pound. For example, 12 lead balls of .729 diameter equal a pound for a 12-gauge. The .410 is a caliber, not a gauge; if it were a gauge, it would be approximately 67.5 gauge.

Chapters

  1. 00:00Shotgun Gauge Explained
  2. 00:55Red Dot Battery Life Hack
  3. 02:16History of .40 S&W vs 10mm Auto

Frequently Asked Questions

How is shotgun gauge determined?

Shotgun gauge is determined by the number of lead balls of a specific diameter that equal one pound. For instance, 12 lead balls with a .729-inch diameter weigh one pound, defining the 12-gauge.

What is a cost-effective way to get batteries for red dot sights?

You can save money by purchasing inexpensive LED tea lights from dollar stores. These lights contain CR2032 batteries, which are commonly used in red dot sights, and cost significantly less per battery.

Why was the .40 S&W cartridge developed?

The .40 S&W was created by Smith & Wesson by shortening the 10mm Auto cartridge. The FBI adopted the 10mm but found its power too much for many agents, leading to the development of the less powerful .40 S&W.

Is the .410 a shotgun gauge or caliber?

The .410 is actually a caliber, not a gauge. If it were classified as a gauge based on the traditional method, it would equate to approximately a 67.5 gauge.

Related News

All News →

More General Videos You Might Like

More from Iraqveteran8888

View all →