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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
Produced:1973 -1984
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
More Info
Gun Value
MSRP:No DataUsed Est:$725.00
Last Update:8/28/2023
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.

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

Designed by John Browning and introduced by Fabrique Nationale of Belgium, this cartridge has achieved world-wide acceptance and has even been adopted as the standard pistol cartridge by several governments. One reason for the round's success is that it is the largest practical cartridge that can be easily adapted to small automatic pocket pistols. Ballistics fall far short of even the 9mm Luger, but still prove adequate for most self-defense situations. The round has established quite a niche position in this role, often being chosen over more traditional small calibers such as the .25 and .32 Autos.

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