Selected Handgun Detail

American Derringer
Model 7 Ultra Lightweight
American Derringer Pistol Model 7 Ultra Lightweight .22 Mag (WMR) Variant-1
Scale To:
Gun Dimensions Width:1.1-in
Length:4.82-in Height:No Data
Barrel:3-in Weight:7.5-oz
1 Variant
Gun Rankings
  • Power Factor (40 grain bullet)51200
  • Recoil Factor (40 grain bullet)2.27 ft-lb
  • Total Capacity2 rounds
  • ConcealabilityExcellent
  • Defense Factor40%
Gun Specifications
Type:Pistol
Caliber:.22 Mag (WMR)
Action:2-barrel
Trigger:single-action (SA)
Safety:hammer block
Magazine:2-round
Frame:aircraft aluminum
Grip:blackwood
Sights:blade front
Notes:breech loaded over/under barrels
Manufacturer
American Derringer Corporation
More Info
About the Gun

Ultra-compact derringer variant utilizing high-strength aircraft aluminum for the frame and barrels paired with stainless steel components to minimize weight while supporting various chamberings. It incorporates automatic barrel selection, a manual hammer block safety that disengages upon cocking, thin blackwood grips, and a matte grey finish.

Production

Production of this firearm ran from 1989 to the early 2000s.

Market value
Last updated: 2/2/2026

The MSRP for this gun when new was approximately $300-$350. The current market value for used examples in typical condition (80–95%) ranges from $200 to $300.

Cartridge Specifications
Cartridge: .22 Magnum
Alias: .22 Winchester Magnum Rimfire (WMR)
More Info
Ballistics for This Gun
Selected Bullet Mass:40 grains
MV:1280 ft/sec ME:146 ft-lbs
Analysis

The primary distinction Between the Model 7 "Lightweight" and "Ultra Lightweight" appears in nomenclature and minor documentation variations rather than substantive mechanical or dimensional differences. Company archives and listings group them under a combined "Lightweight & Ultra Lightweight" heading for the Model 7 series, listing uniform specifications. In practice, references treat "Lightweight" and "Ultra Lightweight" as interchangeable labels for the same aluminum Model 7 configuration, with no consistent evidence of separate variants (e.g., no documented weight reduction, material change, or caliber split between the two terms). The "Ultra Lightweight" designation often emphasizes the 7.5-ounce spec in marketing and auction descriptions, but it aligns with the overall lightweight series. Recoil remains sharp in both due to the minimal mass, especially with centerfire loads, and both suit backup or pocket-carry roles where weight trumps shootability.

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