Selected Handgun Detail

Mauser
Model Luger Parabellum
Mauser Pistol Luger Parabellum 9 mm Variant-4
Scale To:
Gun Dimensions Width:No Data
Length:8.75-in Height:No Data
Barrel:4-in Weight:30-oz
Variant 4 of 5
Gun Rankings
  • Power Factor (124 grain bullet)142600
  • Recoil Factor (124 grain bullet)4.61 ft-lb
  • Total Capacity9 rounds
  • ConcealabilityFair
  • Defense Factor66%
Gun Specifications
Type:Pistol
Caliber:9 mm
Action:recoil operated semi-automatic
Trigger:single-action (SA)
Safety:manual thumb safety
Magazine:8-round
Frame:blued finish steel
Grip:black checkered plastic
Sights:blade front, V-notch rear
Notes:byf 41/42 Black Widow
Manufacturer
Mauser Jagdwaffen GmbH
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About the Gun

The Mauser byf, 41 or 42 Date, Black Widow model was made specifically for military sales to Germany. Features include a toggle inscription of “byf”, a two-digit chamber stamp date of 41 or 42, black plastic grips, eagle/655 military acceptance marks, no sear safety. Late, flat, checkered style toggle knobs. No grip safety. Stock lug.The magazines original to this model should have a blued, extruded steel body with either an aluminum (only in early 41 dates) or black plastic base.

Production

Production of this firearm occurred between 1941 and 1942, during a period when manufacturing was focused on military contracts. These specific models were produced under wartime conditions, reflecting the era's demand for reliable weaponry.

Market value
Last updated: 7/10/2025

For this gun in 95% condition, MSRP is not applicable as it's a historical piece. Used market value in 2024-2025 ranges from $3,500 to $5,000, depending on specific markings and provenance.

Cartridge Specifications
Cartridge: 9 mm Luger
Alias: 9 mm Parabellum
More Info
Ballistics for This Gun
Selected Bullet Mass:124 grains
MV:1150 ft/sec ME:364 ft-lbs
Analysis

This 9mm semi-automatic pistol is a notable piece of firearms history, valued for its precision and design. Its accuracy is exceptional, owing to a well-engineered barrel and toggle-lock mechanism that ensures consistent shot placement, making it a favorite among target shooters. The ergonomics are commendable, with a grip angle that naturally aligns with the shooter’s hand, promoting comfort during extended use. Reliability, however, can be a concern, as the intricate mechanism is sensitive to dirt and requires diligent maintenance to function flawlessly. Parts availability poses a challenge, often requiring specialized sourcing due to its age and unique design. The trigger pull is crisp, with a predictable break, though some may find it slightly heavy. Felt recoil is moderate, manageable for most shooters, but it can feel sharper due to the toggle system. Overall, it’s a remarkable yet demanding firearm for dedicated enthusiasts.

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