Selected Handgun Detail

American Derringer
Model LM4 Semmerling
American Derringer Pistol LM4 Semmerling .45 Auto Variant-2
Scale To:
Gun Dimensions Width:1-in
Length:5.2-in Height:3.7-in
Barrel:2-in Weight:24-oz
Variant 2 of 2
Gun Rankings
  • Power Factor (230 grain bullet)147890
  • Recoil Factor (230 grain bullet)6.98 ft-lb
  • Total Capacity5 rounds
  • ConcealabilityGood
  • Defense Factor71%
Gun Specifications
Type:Pistol
Caliber:.45 Auto
Action:semi-automatic
Trigger:double-action (DA/SA)
Safety:no manual safety
Magazine:4-round
Frame:chrome finish steel
Grip:wood
Sights:blade front, notched rear
Notes:manually operated repeater
Manufacturer
American Derringer Corporation
More Info
About the Gun

This gun has been produced by various companies throughout the years. The LM4 is American Derringer's offering of the Semmerling design. While it may look like a semi-automatic pistol, it is not. The slide must be manually racked between double-action trigger pulls.

Production

Production of this unique firearm began in 1982 and continued until 1999. It was crafted with precision during this period, reflecting a commitment to quality and distinctive design for a manually operated piece.

Market value
Last updated: 7/3/2025

The MSRP for a new unit is approximately $3,000, though availability is limited. For a used one in 95% condition, the current market value ranges between $1,800 and $2,200, depending on specific features and demand.

Cartridge Specifications
Cartridge: .45 Automatic
Alias: .45 Automatic Colt Pistol (ACP)
More Info
Ballistics for This Gun
Selected Bullet Mass:230 grains
MV:643 ft/sec ME:211 ft-lbs
Analysis

This compact .45 Auto pistol offers a unique design tailored for concealed carry, with a manual repeating mechanism that sets it apart in its category. Its accuracy is commendable for such a small frame, delivering consistent performance at close ranges. The ergonomics are functional, with a grip that suits smaller hands, though larger-handed shooters may find it less comfortable. Reliability is generally solid when maintained properly, but the intricate design can pose challenges for routine cleaning and upkeep, requiring patience and attention. Parts availability is limited, which could be a concern for long-term ownership. The trigger pull is notably heavy, demanding deliberate effort, while the felt recoil is significant due to the lightweight construction and powerful caliber, potentially affecting follow-up shots for less experienced users. Overall, it’s a specialized tool best suited for those prioritizing compactness over ease of maintenance.

User Rating
0 User Ratings
0 User Comments
User Comments

There are currently no user comments for this handgun.