# Ammunition Feeding Dynamics in Semi-Automatic Firearms Feeding dynamics describe how a cartridge moves from magazine to chamber during firearm operation. This process is highly dependent on ammunition geometry and consistency. 9mm ammo is designed with a tapered case profile that promotes smooth feeding in handgun magazines and chambers. .223 ammo uses a bottleneck design t... https://bulkammotogo.com/product-category/bulk-22-long-rifle-ammo/