By A Mystery Man Writer
Arm yourself with as much information and knowledge as you can, follow these tips and tricks, and you’ll be a shotgun ammo expert in no time.
Shotgun Shells Explained - Types Of Ammo (Birdshot, Buckshot, Slugs)
Match Firearms and AmmunitionCorrectly!
Cartridge Comparison Guide « Daily Bulletin
birdshot Archives -The Firearm Blog
Glossary of Basic Firearm Terms
From FACE: A useful guidance for hunters and shooters using lead
Get the facts on everything you need to know about shotguns -- singles, doubles, pumps and semi-autos, ammunition, handloading your own ammunition,
Gun Digest Shooter's Guide to Shotguns (Digital PDF Download)
GrabAGun's Ammo Guide Part 1: The Best Shotgun Ammo
Gauge (firearms) - Wikipedia
Understanding Shotgun Shells
BULLET GUIDE
Tips on How To Choose the Right Ammunition for Your Gun
Understanding Practical Shotgun: Ammunition
Demystifying Shotgun Shell Terms - Pew Pew Tactical