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Learn the Basics of Ammunition with Winchester® Educational Infographics

By using retail surveys, the National Shooting Sports Foundation (NSSF®) estimates records were surpassed when nearly 14 million Americans purchased a firearm for the first time in the two years of 2020 and 2021, when a total of about 40 million firearms were sold. Gallup research suggests 44% of US adults—114 million people—report living in a gun household.

[ Read the SemperVerus article, The 4 Basic Rules of Gun Safety ]

With so many first-time gun owners needing to learn the basics of responsible firearm ownership, Winchester®—the largest small caliber ammunition enterprise in the world—has created “Introduction to Ammunition-Ammo 101” easy-to-understand infographics illustrating the ammunition categories of

  • rimfire,
  • pistol,
  • centerfire, and
  • shotshell,

and showcasing

  • ammunition construction,
  • components,
  • calibers, and
  • common usage

for each.

Click each image below to enlarge it on your screen. Also, click here to download the pdf document of the following images.

Image of the inner working of pistol ammunition
Handgun calibers are determined by the inside diameter of the barrel they’re shot from. These sizes range from as small as .22 to as large as .50 caliber. Popular cartridges are .22 LR, .380 Auto, 9 MM, .38 Special, 40 S&W, and 45 Auto.

[ Read the SemperVerus article, Checklist: Matters to Consider When Deciding on a Handgun which includes links to web articles that are glossaries of gun terms ]

Ammo Price Trends: Cost Per Round Chart

Chart of ammunition prices per round by month
Source: Visualizing Ammo Cost Trends Across Nine Popular Calibers on The Firearm Blog.

Ammunition Search Engines:

[ Read the SemperVerus article, Checklist: Matters to Consider When Deciding on a Handgun ]



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Why Use and How to Choose Pepper Spray

If you carry a gun for self-defense, you should also carry pepper spray.* Even if you don’t carry a gun, you should carry pepper spray, also known as oleoresin capsicum (“OC”).

Using a firearm for self-defense is always the very last option in a lethal attack situation. But you shouldn’t rely solely on a gun as your only means of self-defense. FBI/DOJ crime statistics tell us we’re 5 times more likely to be faced with a non-deadly threat, against which only non-deadly defensive force is legally appropriate, than we are a deadly threat.

[ Read the SemperVerus article, The 5 Elements of Self-Defense Law ]

Under what circumstances is the use of pepper spray as a defensive tool lawful and advisable? What conditions have to be met before you can use pepper spray in self-defense? Pepper spray is a non-deadly form of self-defense and can be used to stop any reasonably perceived threat of non-deadly harm, which means almost any degree of harm. So long as you use it defensively and not offensively, generally speaking you should be within your rights.

[ Read the SemperVerus article, Checklist: Categories and Their Items for Every Day Carry (EDC) ]

In the following video, Chris Baker of Lucky Gunner says, “OC gives you a force option that’s somewhere between harsh language and shooting somebody. We all know that statistically, we are very unlikely to end up in a situation where we need to use our firearm to defend our life. Much more common are situations that call for some kind of intervention that’s less than deadly force. Maybe someone is behaving in a threatening way, but they don’t have a weapon and they have not done anything yet that would warrant using deadly force. That might be a good time to deploy some OC.

[ Read the SemperVerus article, Video: Always Carry Pepper (OC) Spray for Non-Lethal Force Self-Defense ]

Defending Yourself Against Mobs and Riots

What would your immediate reactions be if you found yourself suddenly surrounded by a large crowd of people who are disorderly, loud, angry, and intent on causing trouble and violence? Mobs and riots happen; sometimes with planning and sometimes without warning. As SemperVerus believes, it’s best to be ready in such situations.

What follows is a bullet point compilation of key ideas taken from several self-defense sources. Click the source links to read the articles in full.

[ Read the SemperVerus article, Why Use and How to Choose Pepper Spray ]

■   Active Response Training: Surviving the Mob

  • Be aware of your surroundings and have a plan to stay one step ahead of possible mob formation.
  • Resist the urge to stand around and watch the mob’s display.
  • Always have an evacuation plan for every location you visit.
  • Make sure your children know how to escape crowd violence.
  • Wear shoes (and other clothing) that facilitate the ability to run if necessary.
  • When attending any large public event, you and all of your family members should establish at least two emergency meeting locations: one within the event perimeter and one outside the event.
  • Equip your children with spare car keys, even if they can’t drive. A natural meeting place is the family car and you’ll want your children to be able to seek shelter inside the car if you haven’t yet arrived.
  • Consider carrying and using small impact weapons or pepper spray (OC) for most threats.

Read many more excellent articles on how to survive a mob written by retired police officer Greg Ellifritz of Active Response Training.