CASE HEAD EXPANSION - SAAMI
![CASE HEAD EXPANSION - SAAMI](https://saami.org/wp-content/themes/saami/img/SAAMI_KO.png)
An enlargement of the cartridge case head diameter on firing.
![](https://www.thefirearmblog.com/blog/wp-content/uploads/2022/06/7mm-prc-660x418.jpg)
7mm PRC (Precision Rifle Cartridge) SAAMI Specs ReleasedThe
![](https://i0.wp.com/www.theballisticassistant.com/wp-content/uploads/2021/01/9mm-Luger.jpg)
SAAMI Pistol Cartridge Catalog
![](https://i60.servimg.com/u/f60/15/90/91/47/parts_10.jpg)
357 Case Head Expansion (77/357)
![](https://www.americanhunter.org/media/05gfqord/saami12-gauge134-inchsmoothborebarrelcartridge_lead.jpg)
SAAMI Publishes Accepted 12-Gauge 1¾-Inch Cartridge and Chamber
![](http://dave2.freeshell.org/smle/smle195/303expansion-1.jpg)
303expansion-1.jpg
![](https://i.redd.it/brass-marks-v0-4a6sh8vn23tb1.jpg?width=3024&format=pjpg&auto=webp&s=fd77a3fb79bfa2f92d22901968a9eed6a7db5ead)
Brass Marks : r/M1Rifles
![](https://www.thestalkingdirectory.co.uk/proxy.php?image=http%3A%2F%2Fi40.photobucket.com%2Falbums%2Fe221%2Fbewsh%2FIMG_0951_zps8d94e4cd.jpg&hash=bfa8bf8a34062462ec7fa61d67314d0b)
Headspacing Belted cartridges
![](https://www.brownells.co.uk/WebRoot/MediaDefinition/userdocs/skus/l_749003960_1_l.jpg?sig=b3352c65baee296ff61717a4e4dd157123b4375a5a68a82c1e9faf2872177f68)
L.E. WILSON, INC. L.E. WILSON 22 HORNET CASE GAGE - Brownells UK
![](https://midsouthshotreport.com/wp-content/uploads/2023/10/6Starln65a-1024x681.jpg)
Pressure! - Midsouth Shot Report
Monitoring for excess pressure-case head expansion best? • Enough Gun
![](https://forum.accurateshooter.com/proxy.php?image=http%3A%2F%2Fi1196.photobucket.com%2Falbums%2Faa413%2Frksprs1%2F102_0567.jpg&hash=e2d8aa2e1fd78c5a8a686374f938d813)
Case head seperation, Page 2
![](https://preview.redd.it/whats-with-the-case-wear-here-v0-sji8cqe9l1fc1.jpeg?auto=webp&s=29dd1ab6861e20371d5fd8eb924e300fd8cbed25)
What's with the case wear here? : r/reloading
![](https://upload.wikimedia.org/wikipedia/commons/d/d0/Headspace.png)
Headspace (firearms) - Wikipedia
Brass Case Shoulder Sizes
SAAMI Shot Shell Specs