A fired bullet and cartridge case
![A fired bullet and cartridge case](https://www.nist.gov/sites/default/files/styles/960_x_960_limit/public/images/pml/div683/bullets.jpg?itok=_wG83Q7m)
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.
![](https://www.primetake.com/wp-content/uploads/2022/01/Picture1.jpg)
Ammunition problems: How to detect, prevent, and avoid them – Primetake
The Science of Firearms Identification: A Comprehensive Look at Forensic Ballistics, PDF, Cartridge (Firearms)
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Avoid Trouble, Inspect Cartridge Brass — Ron Spomer Outdoors
![](https://global.discourse-cdn.com/business6/uploads/cartridgecollectors/optimized/2X/1/1398dc1d154c3da0e426a208d88c39be67fd6468_2_690x272.jpg)
ELEY No 12 GAS TIGHT - General Ammunition Discussion - International Ammunition Association Web Forum
![](https://i.redd.it/i-found-a-bunch-of-these-weird-cartridge-cases-at-a-v0-jma52372bwt81.jpg?width=4656&format=pjpg&auto=webp&s=11c0eb848af0f08decd0dc23f990393f3158ed65)
I found a bunch of these weird cartridge cases at a military
![](https://www.photocase.com/photos/5670256-cartridge-case-lying-on-the-sidewalk-husk-photocase-stock-photo-large.jpeg)
cartridge case lying on the sidewalk - a Royalty Free Stock Photo from Photocase
![](https://www.midianews.com.br/storage/webdisco/2024/01/26/original/1e8fbdee8a64b673216bfc5b983d9bc0.jpg)
MidiaNews Laudo aponta que arma trazida por intermediário matou advogado
![](https://c8.alamy.com/comp/REBF9D/shot-cartridge-cases-ammunition-caliber-308-for-long-guns-rifles-rapid-fire-guns-REBF9D.jpg)
Cartridge cases hi-res stock photography and images - Alamy
![](https://www.firearmsid.com/jpgs/991000030.jpg)
Cartridge Case Identification
A Current Affair: The celebrity blogger turned cop behind bars over alleged Sydney murders
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bullet striations Flashcards
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How the Rifle and Handgun Fire