What would be correct name & time frame for the type of crimp on this Winchester 10 ga brass shotshell?
What was the point of brass shotgun shells, and are they still used? - Quora
Voenohot Star-Shape Shotshell Reloading Press Crimp 12 Gauage, Gunsmithing Tools - Canada
Brass Shotshell Crimp - General Ammunition Discussion - International Ammunition Association Web Forum
Handloading, Military Wiki
Dead primers/compound disintegration?
WTF! Having to swage every LC case now. This use to be more of a 1 in 5 type situation. : r/reloading
New factory loads, fresh out of the box. Split brass. Has anyone else ever had this happen? : r/reloading
What were shotgun cartridges made of before plastic existed? - Quora
Draper shot shells - General Ammunition Discussion - International Ammunition Association Web Forum
Reloading: Reclaiming Brass - The Shooter's Log
L. C. Smith 10 gauge brass shot shell loading - The DoubleGun BBS @
357 MAX Shot Loads