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John Martz Walther .45ACP & .38 Super P38 Prototype Set – Serial 3426

Caliber: .38 Super, .45 ACP
NOT FOR EXPORT

This one-of-a-kind Walther P38 Prototype, custom-built by legendary gunsmith John Martz, is chambered in both .45 ACP and .38 Super with an extra barrel and slide assembly included. Featuring hand-fitted craftsmanship, engraved details, and a presentation case with brass plaques, it’s a rare and highly collectible piece of firearms history.

Description

There are collectible guns—and then there are guns like this. What you’re looking at is a Walther P38 Prototype that’s been masterfully reimagined by the late John Martz, one of the most respected names in custom pistol work. And yes, it’s chambered in both .45 ACP and .38 Super—something you don’t see every day, or even every decade.

Martz’s fingerprints are all over this piece, in the best possible way. Hand-fitted, hand-engraved, and unmistakably unique, this isn’t just a gun—it’s a custom build with heart, history, and serious mechanical artistry. From the markings on the slide to the serial numbers and waffenamt stamps, everything here tells a story. A rare one.

Oh—and it doesn’t stop there. Included with the gun is an additional barrel and slide assembly for .38 Super, giving you two high-performance calibers in one remarkable platform. Everything comes housed in a beautiful wood presentation case, complete with brass plaques that confirm what you’re already thinking: this is a prototype, and it’s something special.

Whether you’re a serious Walther collector, a Martz devotee, or just someone who knows craftsmanship when you see it, this piece checks all the boxes. It’s rare, it’s functional, and it carries with it the kind of provenance that makes it the centerpiece of any collection.

Handguns

Brand John Martz Walther
Model P38 (Prototype)
Serial Number 3426
Caliber .45ACP & .38 Super
Finish Blued
Grips Walnut

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