Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part II
Why do some modern rimmed firearm cartridges have an extraction groove along with the rim? What's the purpose? - Quora
Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part II
Why do some modern rimmed firearm cartridges have an extraction groove along with the rim? What's the purpose? - Quora
![Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part II Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part II](http://4.bp.blogspot.com/-qF76VvR9BK8/Vi7_GYblXsI/AAAAAAAAC-E/aFwsFymdajo/s1600/500SWMag.png)
Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part II
![Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part I Firearms History, Technology & Development: Cartridges Rims: Rimmed vs. Semi-Rimmed vs. Rimless vs. Belted vs. Rebated - Part I](http://2.bp.blogspot.com/-EXwXkIX0dpA/TC7ru1HVmcI/AAAAAAAAAPQ/OaSeVqHSKqg/s1600/top-break-webley.jpg)