John Martz Custom Walther P38 Luger Artillery Barrel

John Martz built his name on hybrids nobody else would attempt, and this one takes a wartime Walther P38 and gives it the silhouette of a long-barreled Luger Artillery model. Two of Germany's most recognizable service designs, fused into a single piece. That's the hook here, and it holds up the longer you look.

The base pistol is a genuine ac/41 P38, the Walther wartime production marked P.38 over the ac code and the 41 date on the slide. From the grip frame back, it reads exactly as a collector expects: the ribbed black grips, the slide-mounted safety, the locking lever, and the standard P38 trigger and hammer. Everything forward of the chamber is where Martz went to work. An extended barrel runs out well past the original muzzle, mated to the frame through a custom-machined shroud and locking collar that picks up the P38 takedown geometry. The fit is clean, the seam tight.

What sells the Luger reference is the sight. Martz fitted a long-range adjustable rear ladder up on the barrel extension, graduated and numbered the way an LP08 carries it, with a knurled elevation control and a tall front blade out at the muzzle. It's functional, not decoration. The blued steel runs deep across the barrel and slide, while the controls, trigger, and barrel collar pick up a brighter polish that sets them apart from the darker surfaces.

The 9mm chambering stays true to both parents. And that matters, because it keeps the gun shootable rather than turning it into a pure curiosity.

Martz pistols don't come along often, and the long-barrel conversions are scarcer than his Lugers. For a collector who already knows the name, this is the kind of piece that anchors a shelf and starts every conversation that happens near it.