Selected Handgun Detail

HK
Model HK45 Compact
HK Pistol HK45 Compact .45 Auto Variant-1
Scale To:
Gun Dimensions Width:1.42-in
Length:7.2-in Height:5.59-in
Barrel:3.94-in Weight:28.5-oz
1 Variant
Gun Rankings
  • Power Factor (230 grain bullet)185150
  • Recoil Factor (230 grain bullet)8.53 ft-lb
  • Total Capacity11 rounds
  • ConcealabilityGood
  • Defense Factor85%
Gun Specifications
Type:Pistol
Caliber:.45 Auto
Action:recoil operated semi-automatic
Trigger:double-action (DA/SA)
Safety:frame mounted safety/decocker
Magazine:10-round
Frame:polymer
Grip:integrated polymer
Sights:fixed white 3-dot
Notes:interchangeable grip inserts
Manufacturer
Heckler & Koch GmbH
More Info
About the Gun

The HK45 was developed as a product improvement of the highly regarded USP45, first released in the 1995. The Caliber .45 ACP HK45 includes several user-inspired enhancements including changeable grip panels (backstraps), a Picatinny MIL-STD-1913 accessory rail, better ergonomics, and more ambidextrous controls.

Production

Production of this firearm began in 2007, continuing to the present day. It remains a popular choice among enthusiasts, with manufacturing primarily occurring at facilities in Germany and the United States, ensuring consistent quality and availability.

Market value
Last updated: 7/10/2025

The MSRP for this gun is approximately $849. In 95% condition, the used market value ranges from $600 to $700 based on recent 2024-2025 sales data from various firearm marketplaces.

Cartridge Specifications
Cartridge: .45 Automatic
Alias: .45 Automatic Colt Pistol (ACP)
More Info
Ballistics for This Gun
Selected Bullet Mass:230 grains
MV:805 ft/sec ME:331 ft-lbs
Analysis

This .45 Auto compact pistol offers a solid blend of performance and design for shooters seeking a reliable carry or duty option. Its accuracy is commendable, delivering tight groupings at moderate ranges, while the ergonomic grip ensures a comfortable hold, adaptable to various hand sizes with interchangeable backstraps. Reliability is a key asset, with consistent function even under demanding conditions. The trigger pull is crisp, averaging around 4.5 pounds in double-action mode, providing a predictable break. Felt recoil, though noticeable due to the potent caliber and compact frame, is manageable with proper grip technique. On the downside, maintenance can be somewhat intricate, requiring attention to detail during disassembly. Availability of replacement parts may pose challenges for some users, and the design might not suit shooters with smaller hands due to the grip width. Overall, it’s a capable choice with minor considerations.

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