Operating out of his home workshop in California, John Martz is best known for his alterations and upgrades of Luger and P-38 pistols, all of which were performed by him and often take several months of work. Manufactured using a combination of new-made components and vintage Luger parts, this pistol takes the overall form and configuration of an early production Navy Luger and up-sizes it to run the 45 ACP cartridge. Blade front and 2-position notch rear sight with "100" and "200" graduations. With "45 ACP JVM" on the underside of the barrel, "crown/"N" on the left side of the blank chamber, and "JVM" on the front toggle link. The left side of the slide bears the "MSTR" Martz toggle release mark ahead of the side plate, "JVM" and "45" beneath the side plate, and "JOHN V. MARTZ/45 acp - No 45/PRESENTATION" above the grip. Fitted with a pair of fancy checkered walnut grips and a custom bright steel magazine with "2" numbered hardwood "JVM" base.

Near mint, with 98% of the custom rust blue finish, showing some light hedge wear and handling marks overall. The grips are also excellent, with crisp checkering and fine grain. The Martz release and hold open need minor adjustment, otherwise mechanically very good.