41 Long Colt: A Market Failure, Not a Ballistics One
Discover the true story behind the 41 Long Colt cartridge - its strong ballistic performance, key manufacturing flaws, and why it lost ground despite early success.
Category Caliber Info
7.63mm Mauser: Separating Fact From Broomhandle Myth
Explore the true history and technical details of the 7.63mm Mauser cartridge, separating fact from myth about its power and compatibility with 7.62mm Tokarev rounds.
30 Luger: A Cartridge Ahead of Its Market
Discover the history and unique ballistics of the 30 Luger cartridge, a pioneering flat-shooting, low-recoil pistol round launched in 1900 ahead of its time.
7.62mm Nagant: How the Gas Seal Actually Works
Discover how the Nagant M1895 revolver's unique gas-seal mechanism works, its history, design, and why it remains a standout in firearm engineering.
9mm Glisenti: Weaker Than It Looks
Discover the crucial distinctions and safety risks of the 9mm Glisenti, a historically unique Italian cartridge often mistaken for the more powerful 9mm Luger.
9mm Largo: The Dangers of “Close Enough” Ammunition
Discover the crucial differences between 9mm Largo and 9x23mm Winchester to avoid dangerous ammunition mix-ups in vintage Spanish firearms and ensure safe shooting.
9mm Steyr: A Practical Identification Guide
Discover the crucial differences between 9mm Steyr, 9mm Largo, and 9mm Luger cartridges to safely identify and handle each unique historic military round.
9mm Browning Long: How Logistics Beat a Sound Cartridge
Explore the history and technical details of the 9mm Browning Long - a competitive cartridge that lost the standardization race due to timing and logistics, not ballistics.
Best Powders for 40 S&W Handloading
Discover expert 40 S&W powder selection tips tailored for target, defense, and hunting loads. Maximize performance with safe, data-backed ammo recipes.
7.65mm Borchardt: The Cartridge Behind the First Practical Autoloader
Explore the origins and engineering of the 7.65mm Borchardt cartridge, the pioneering bottlenecked design that shaped modern self-loading pistols and their ammo evolution.
32-20 Winchester: The Cartridge That Survived Three Eras
Explore the unique history of the 32-20 Winchester cartridge, a versatile round that thrived across three distinct eras of American firearms.
.25 Weatherby RPM Barrel Life: What to Expect
Barrel life is the honest cost of shooting fast.
25 Weatherby RPM Reloading Guide: Start Here
New cartridge, strict rules - start here first.
The 45-70 Government Cartridge History and Reloading Guide
A 150-year-old cartridge with three pressure levels.
35 Whelen: The Complete Guide
The 35 Whelen, introduced in 1922, is renowned for its powerful performance and versatility in big game hunting. Developed by Colonel Townsend Whelen and James Howe by necking up the 30-06 Springfield case to accept .358-inch bullets, this cartridge offers…