A fired bullet and cartridge case

A fired bullet with rifling impressions from the barrel of a gun (left). A fired cartridge case and fired bullet (right). Experts can often identify the weapon used based on rifling impressions on the bullet, or breech face and firing pin impressions in the primer at the base of the cartridge case.

Forensic Ballistics

NIST 3D Ballistics Research Database Goes Live

11.15 x 58R Werndl it is - General Ammunition Discussion - International Ammunition Association Web Forum

Bullets First Manufacturing

What Every New Gun Owner Should Know About Ammunition

Cartridge cases hi-res stock photography and images - Alamy

Firearms Module 8 Key Issues: Firearms as Evidence

PPT - Firearms Identification PowerPoint Presentation, free download - ID:2939829

The Evolution of Modern Ammunition - The Shooter's Log

Would it be possible to fire guns before sold and scan the bullets and casings into a computer database and then automatically know what gun casings and bullets came from when found

Bullets First Manufacturing