Pietta King Trio Single Action | Multi-caliber: .38 Super / .357 Magnum / .38 Special / 9mm

Published on June 24, 2025
Duration: 18:38

This review of the Pietta King Trio highlights its unique multi-caliber capability, allowing it to fire .38 Super, .357 Magnum, .38 Special, and 9mm rounds via interchangeable cylinders. Expert instruction from hickok45 demonstrates the proper 'load one, skip one' technique for single-action revolvers and explains the import-specific base pin safety mechanism. The revolver is noted for its accuracy and versatility, making it a compelling option for those seeking caliber flexibility in a classic single-action design.

Quick Summary

The Pietta King Trio is a unique single-action revolver capable of firing .38 Super, .357 Magnum, .38 Special, and 9mm via three interchangeable cylinders. It features an import-required base pin safety and is praised for accuracy. Expert instruction covers safe operation, including the 'load one, skip one' method.

Chapters

  1. 00:00Introduction to Pietta King Trio
  2. 01:54Shooting .38 Super Ammunition
  3. 04:21The 'Trio' Multi-Caliber System Explained
  4. 06:35Switching to .357 Magnum Cylinder
  5. 07:49Barrel Thickness Comparison
  6. 10:14Base Pin Safety Mechanism Discussion
  7. 14:01Shooting .38 Special and Conclusion

Frequently Asked Questions

What calibers can the Pietta King Trio fire?

The Pietta King Trio is a multi-caliber firearm that can fire .38 Super, .357 Magnum, .38 Special, and 9mm rounds by simply swapping out its interchangeable cylinders.

How does the Pietta King Trio's multi-caliber system work?

The 'Trio' system includes three separate cylinders, each designed for specific calibers. By removing the cylinder and inserting another, the user can change the firearm's chambering to accommodate different ammunition types.

What is the unique safety feature on the Pietta King Trio?

As an imported firearm, the Pietta King Trio features a base pin safety. When fully inserted, the base pin has notches that prevent the hammer from striking the primer, acting as a mechanical safety.

Is the Pietta King Trio suitable for beginners?

While versatile, the Pietta King Trio is a single-action revolver. Beginners should focus on mastering the 'load one, skip one' technique and general safe firearm handling before using this type of firearm.

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