Description
Pietta builds the Great Western II line in Brescia, Italy, and the Alchimista I is one of the standouts in that family. It takes the proven 1873 single action platform and swaps in an 1860 Army grip frame, which runs longer and slimmer than the traditional Single Action Army grip. That change makes a real difference in the hand, and it points more naturally for a lot of folks who find the standard 1873 grip a touch small. Chambered in .357 Magnum with a 5.5 inch barrel and a six-round cylinder, this one fires both .357 Mag and .38 Special, which keeps your practice costs down without having to swap guns.
What Makes the Alchimista I Tick
The big draw here is the setup geared toward cowboy action shooters and recreational plinkers alike. It wears the standard Colt-style hammer, a wider set-back trigger that gives your finger more room inside the guard, and that 1860 Army grip frame with a steel backstrap and brass trigger guard. The hammer-forged steel barrel and cylinder carry a deep blued finish, and the alloy steel frame is dressed in rich color case hardening that gives every one of these a slightly different look. Checkered walnut grips round it out with a solid, no-slip hold.
Fit, Finish, and Feel of the Great Western II Alchimista I
Pietta has been turning out traditional single actions for decades, and the fit and finish shows it. The Great Western II series has earned a loyal following with SASS shooters and has picked up Gun of the Year honors more than once. Like the original Colt design, it runs a floating firing pin in the hammer and uses fixed sights, a blade up front and a notch in the rear, keeping it period correct and dead simple to run.
If you shoot cowboy action, collect classic western revolvers, or just appreciate a well-made single action, the Alchimista I in .357 Magnum earns its spot in the safe.
Key Specifications
- Manufacturer: Pietta
- Model: Great Western II Alchimista I
- Manufacturer Part Number: HF357CHSAR512NM
- UPC: 641996211317
- Action: Single Action
- Caliber: .357 Magnum (also fires .38 Special)
- Capacity: 6 Rounds
- Barrel Length: 5.5"
- Barrel Finish: Blued
- Cylinder Finish: Blued Steel
- Frame Finish: Color Case Hardened
- Frame Material: Alloy Steel
- Grip: Checkered Walnut, 1860 Army Grip Frame
- Backstrap / Trigger Guard: Steel Backstrap, Brass Trigger Guard
- Sights: Fixed Blade Front, Notch Rear
- Hammer: Standard Colt-Style Exposed Hammer
What’s Included
- Pietta Great Western II Alchimista I single action revolver
- Owner's manual
Frequently Asked Questions
Can the Alchimista I shoot .38 Special as well as .357 Magnum?
Yes. Any .357 Magnum revolver, including this Alchimista I, safely fires .38 Special ammunition. That makes it easy to run lighter, cheaper .38 loads for practice and cowboy action matches, then step up to .357 Mag when you want more punch.
What is the difference between the Alchimista I and the Alchimista II?
The Alchimista I features the standard Colt-style hammer along with the 1860 Army grip frame and the wider set-back trigger. The Alchimista II carries all those same features but adds a lowered and widened hammer that is easier to cock quickly. Both are built on the same Great Western II platform.
What makes the 1860 Army grip frame on the Alchimista I different?
The 1860 Army grip frame is longer and slimmer than the standard 1873 Single Action Army grip. A lot of folks find it points more naturally and fills the hand better, especially those with larger hands. It is one of the main reasons this model is a favorite on cowboy action ranges.
Is the Great Western II Alchimista I a good choice for cowboy action shooting?
It is built with that crowd in mind. The wider set-back trigger gives your finger more room, the 1860 grip points fast, and the single action design with a floating firing pin stays period correct. Pietta's Great Western II line has a long track record with SASS competitors.





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