Handgun Ammunition 101
What the numbers on the box mean and which ones matter.

Course details
- Format
- Online, self-paced
- Provider
- U.S. LawShield
- Best for
- New owners and anyone who has been buying whatever was on the shelf.
- Counts toward a permit?
- No — this is education
Pricing is shown on the U.S. LawShield course page. We don't publish prices we haven't verified.
Why this course
What it's actually about.
Ammunition selection is where marketing works hardest and understanding is thinnest. This course covers how handgun ammunition is built, what the specifications describe, and how to choose between practice and defensive loads without guessing.
What it covers
- Cartridge anatomy and common calibers
- Bullet construction and what it changes
- Practice ammunition versus defensive ammunition
- Reading a box label
- Storage and shelf life
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ViewThis is education, not licensing. This course does not satisfy any state permit requirement and is not legally required to own or carry a firearm. For coursework that counts toward a concealed carry permit, see state permit training.
Educational information only. Not legal advice. Firearm laws change, and requirements vary by state, county and issuing authority. Verify current requirements with the issuing authority before you apply.
Handgun Ammunition 101
What the numbers on the box mean and which ones matter.
Delivered by U.S. LawShield. The Ammo Academy earns a commission on courses purchased through our links, at no extra cost to you.