Is there a reason why some shotgun shells have different colors

Shotshell Color Coding

Ammo 101, Tactical Experts

Ballistics for Hunters: Understanding your Hunting Cartridge - Guns and Ammo

Understanding Shotgun Shells

Shotgun Shells Explained - Types Of Ammo (Birdshot, Buckshot, Slugs)

Whats on a Box of Shells

What does Bullet Tip Color Mean?

Shotgun shells explained - a case study - Sporting Shooters

Following a Pattern An Official Journal Of The NRA

410 Slugs: What's The Use? - Gun Digest

Parts of a Shotgun: A Complete Guide