Below is a list of articles on various subjects relating to the study of Internal Ballistics.
Bullet Chamber Fit Drawing – (Using Solids Modeling)
Case and Cartridge Gage – Case Mouth Headspace (30 Carbine)
Case Gage – Shoulder Headspace (7.62×39 SAAMI)
Intro to Sporting Arms and Ammunition Manufacturers Institute (SAAMI)
Intro to Case and Cartridge Gages
Know your Cartridge Dimensional Specifications