Are 38 S&W vs 38 Special Ammo interchangeable?

The .38 Special and the .38 Smith and Wesson are not interchangeable. .38 Smith and Wesson is larger in diameter than the .38 Special.

The .38 Caliber Handloader Magazine

38 Super vs .38 Special: A Caliber Comparison

V Is For Victory: The Smith & Wesson Victory Model Revolver

The .38 Smith & Wesson: History And Performance

Can I make a 38-55 casing from a 38 special casing to use in a 38 S&W? - Quora

Why is 38 special ammo bigger than 38 ammo? - Quora

357 Magnum vs. .38 Special

TFB Round Table: Anything Special About 38 Smith & Wesson?The Firearm Blog

357 Magnum vs. .38 Special

38 S&W - Wikipedia

Caliber Comparison: 9mm vs. .38 Special - The Truth About Guns

Are .38 and .357 interchangeable? - Quora

38 Special vs 9mm - Difference and Comparison

Bullets: Sizes, Calibers, and Types [Guide + Videos] - Pew Pew Tactical

38 S&W (The Other .38)