Ammo: Does Case Shape Really Matter?

There have been a number of factory and wildcat cartridges that have played with case design. But has it had any real effect on ballistics?

Best .308 Hunting Ammo of 2022

HANDGUN CALIBER NAMES EXPLAINED

A few weeks back someone posted a case that had been run through a fluted chamber. Someone mentioned that resizing would iron out the fluting marks. Today I gave that theory a

Use This Rifle Caliber Chart to Pick the Right Ammo for Hunting

The Modern Cartridge Case

Shotgun Shells Explained - NSSF Let's Go Shooting

How to tell if a used round of ammunition is live - Quora

Do modern bullets have actual lead in them? - Quora

Cartridge (firearms) - Wikipedia

True Velocity's New Polymer-cased Ammunition - Guns and Ammo

5.56 Versus .223 The Rundown

Books - Gun Digest

Into the lands ? With pics of my specific 6 ARC load