D-Max Model 100P Pistol .45 ACP 4” Semi-Automatic Sten Gun & Mag
SOLD FOR: $1,275.00
LSB#: LSB250825JP027
Make: D-Max
Model: D-Max 100 Pistol
Serial Number: 450P 0308
Year of Manufacture: 1986-1993 / Modern
Caliber: .45 ACP
Action Type: Semi-Automatic, Magazine Fed
Barrel Length: 4”
Sights / Optics: The front sight is a blade fixed on the ventilated barrel shroud. The rear sight is a u-notch sight with white diamond aim reference dovetailed to a steel base, screwed to the receiver.
Stock Configuration & Condition: The stocks are 2-piece walnut with a pistol grip and handguard. The rear of the receiver has a sling ring with a sling attached. The wood shows attractive natural grain with light handling marks and compressions. There are no chips or cracks. Overall, the stocks rate in Fine condition.
Magazine Quantity & Condition: One detachable D-Max 10rd .45 ACP magazine is included in Excellent condition. (Accepts Modified Grease Gun Magazine)
Type of Finish: Textured black finish on metal components; natural oil-stained hardwood furniture.
Finish Originality: Original
Overall Condition: This pistol retains approximately 99% of its textured finish. The ventilated barrel shroud, receiver, and magazine housing show only faint edge wear and small marks. The controls are crisp, the markings are clear. The screw heads are sharp. Overall, this pistol rates in Excellent condition.
Mechanics: The action functions correctly. The blowback system cycles smoothly and the controls operate as intended. We did not fire this pistol. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This pistol comes with a total of one magazine and its attached nylon sling, both in Excellent condition.
Our Assessment: D-Max Firearms of Pennsylvania produced the Model 100 line during a brief but colorful period in the late 1980s and early 1990s, when small American manufacturers experimented with compact, rugged pistols inspired by World War II submachine-gun architecture. The Model 100P takes clear design cues from the British Sten—tubular receiver, ventilated shroud, minimalist controls—yet adapts the concept into a tight, semi-automatic, pistol-caliber package chambered in .45 ACP. It represents an era when civilian shooters sought affordable, tank-like firearms with military lineage and distinctive visual appeal, and D-Max answered with a platform that is instantly recognizable and mechanically straightforward.
The .45 ACP cartridge, developed by John Browning in 1904 and made famous by the M1911, brings a century of service history to this compact steel-tube pistol. Known for its heavy, subsonic punch and consistent performance, the cartridge pairs surprisingly well with the D-Max’s simple blowback system. This example’s strong 99% finish, crisp walnut furniture, and excellent mechanical presentation suggest minimal use. With its included sling, sharp metalwork, and intact accessories, it stands as a clean, well-preserved representative of a niche American maker and a fascinating chapter in late-20th-century firearms experimentation. Please see our photos and good luck on your bid! – L.S.
