Selected Handgun Detail

HK
Model HK4
HK Pistol HK4 .380 Auto Variant-1
Scale To:
Gun Dimensions Width:1.3-in
Length:6.2-in Height:4.8-in
Barrel:3.35-in Weight:18.3-oz
Variant 1 of 3
Gun Rankings
  • Power Factor (90 grain bullet)87840
  • Recoil Factor (90 grain bullet)2.98 ft-lb
  • Total Capacity8 rounds
  • ConcealabilityGood
  • Defense Factor56%
Gun Specifications
Type:Pistol
Caliber:.380 Auto
Action:blowback operated semi-auto
Trigger:double-action (DA/SA)
Safety:slide mounted decock/safety lever
Magazine:7-round
Frame:black anodized aluminum
Grip:black checkered plastic
Sights:fixed blade and notch
Notes:Second Variation
Manufacturer
Heckler & Koch GmbH
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About the Gun

The first pistol produced by the company, designated as the HK4 due to its modular frame design that allowed for changing the barrel, spring and magazine to accommodate four different calibers. The gun design was influenced by the Mauser Model HSc.

Production

Production of this firearm occurred between 1968 and 1973 during the Second Variation phase. It was manufactured in Germany, reflecting the design updates and improvements introduced in that specific period of development.

Market value
Last updated: 7/10/2025

For this gun in 95% condition, the MSRP is approximately $600, while the used market value ranges between $400 and $500 based on 2024-2025 data from available pricing guides and auction platforms.

Cartridge Specifications
Cartridge: .380 Automatic
Alias: 9mm Browning Short
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Ballistics for This Gun
Selected Bullet Mass:90 grains
MV:976 ft/sec ME:190 ft-lbs
Analysis

This .380 Auto pistol from a well-known German manufacturer showcases a solid design rooted in precision engineering. Its accuracy is commendable, delivering consistent performance at typical self-defense ranges, thanks to a well-balanced barrel and sight alignment. Ergonomically, it fits comfortably in most hands, with a grip that supports intuitive handling during extended shooting sessions. Reliability is a strong suit, as it cycles smoothly with a variety of ammunition under diverse conditions. However, maintenance can be somewhat intricate, requiring patience and familiarity with its internal components. Availability of replacement parts may pose challenges, especially for less common repairs. The trigger pull is crisp, averaging around 4.5 pounds in single-action mode, which aids in precision shooting. Felt recoil is moderate for the caliber, manageable for most users, though those sensitive to kick might need acclimation. Overall, it’s a capable option for personal defense or range use.

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