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Selected Handgun Detail

American Derringer
Model 4
American Derringer Pistol Model 4 .45 Auto Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:6-in Height:No Data
Barrel:4.1-in Weight:16.5-oz
1 Variant
Gun Rankings
  • Power Factor (230 grain bullet)186990
  • Recoil Factor (230 grain bullet)14.99 ft-lb
  • Total Capacity2 rounds
  • ConcealabilityGood
  • Defense Factor67%
Gun Specifications
Type:Pistol
Caliber:.45 Auto
Action:2-barrel
Trigger:single-action (SA)
Safety:hammer block
Magazine:2-round
Frame:stainless steel
Grip:rosewood
Sights:blade front
Notes:breech loaded over/under barrels
Manufacturer
American Derringer Corporation
More Info
About the Gun

Longer compact Remington-style single-action over/under derringer on the stainless Model 4 platform, with oversized rosewood grips.

Production

Production ran from 1985 through the early 2000s.

Market value
Last updated: 9/4/2026

MSRP at production was around $375–$800. Current used market value for examples in good to very good condition ranges $300–$500.

Cartridge Specifications
Cartridge: .45 Automatic
Alias: .45 Automatic Colt Pistol (ACP)
More Info
Ballistics for This Gun
Selected Bullet Mass:230 grains
MV:813 ft/sec ME:338 ft-lbs
Analysis

American Derringer introduced the Model 4 in 1985 as a longer stainless over/under variant on the Model 1 lockwork: top-break barrels, automatic barrel selection, and a hammer-block safety that drops off when the hammer is cocked. Catalogs listed .357 Mag, .357 Rem Max, .44 Rem Mag, .45 Auto, .45 Colt, .45 Colt / .410, and both-barrel .45-70. The extra barrel length was the point of the model—more velocity and a longer sight line than the 3-inch Model 1, short of the 6-inch Model 6. Used Model 4 guns are less common than a Model 1 and usually bring a modest premium.

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