357 Mag VS 38 Special FPS Loss? Garmin C1 Pro Chronograph 

Published on September 13, 2024
Duration: 1:00

This video compares the muzzle velocity (FPS) of .357 Magnum and .38 Special ammunition fired from different barrel lengths, specifically a 2-inch and a 4-inch barrel. It demonstrates significant FPS gains with longer barrels and highlights the velocity difference between the two calibers.

Quick Summary

This chronograph test compares .357 Magnum and .38 Special velocities. Using a 2-inch barrel, .38 Special averaged 700-800 FPS, while .357 Magnum reached 1294 FPS. A 4-inch barrel for .357 Magnum boosted velocity to 1811 FPS, highlighting the impact of barrel length on muzzle velocity.

Chapters

  1. 00:00Garmin C1 Pro Chronograph
  2. 00:032-inch Barrel .38 Special Velocity
  3. 00:15.38 Special Ammunition
  4. 00:222-inch Barrel .38 Special Velocity Range
  5. 00:31.357 Magnum Ammunition
  6. 00:394-inch Barrel .357 Magnum Velocity
  7. 00:42Velocity Comparison: 4-inch vs 2-inch
  8. 00:502-inch Barrel .357 Magnum Velocity

Frequently Asked Questions

What is the FPS difference between .357 Magnum and .38 Special?

In this test using a 2-inch barrel, .38 Special averaged around 700-800 FPS, while .357 Magnum achieved approximately 1294 FPS. A 4-inch barrel for .357 Magnum yielded significantly higher velocities, around 1811 FPS.

How does barrel length affect FPS for .357 Magnum?

Barrel length significantly impacts FPS. Firing .357 Magnum from a 4-inch barrel produced 1811 FPS, whereas the same ammunition from a 2-inch barrel dropped to 1294 FPS, demonstrating a substantial velocity loss with shorter barrels.

What chronograph was used in the Mr. Madness video?

The video explicitly mentions and shows the Garmin C1 Pro Chronograph being used to measure the muzzle velocities of the .357 Magnum and .38 Special ammunition during the test.

What are typical FPS readings for .38 Special from a 2-inch barrel?

According to the test, .38 Special fired from a 2-inch barrel yielded velocities ranging from 635 FPS to 812 FPS, with multiple readings in the 700s and 800s FPS.

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