Used Heckler & Koch H&K HK Mark 23 45 ACP 5.87" MK23 Pistol +2 MAGS & ORIG CASE

Heckler & Koch H&K HK Mark 23 MK23 MK 45ACP DA/SA

Heckler & Koch (H&K, HK) Mark 23 .45 ACP Black in Good Condition Thumbnail
Sold On:February 19th at 9:30 PM
How Buying WorksEnding February 19th at 9:30 PM

Key Features

  • Item Type: Semi Auto Pistols
  • Action: DA/SA
  • Manufacturer: Heckler & Koch (H&K, HK)
  • Capacity: 12 1
  • Model: Mark 23
  • Barrel Length: 5.87"
  • Caliber: .45 ACP
  • Finish: Black
  • Overall Condition: Good

Product Description

    HK Mark 23 .45 ACP, German-Made Commercial Variant, Threaded 16x1 RH, DA/SA, Raised Adjustable Sights, 12+1, Lobos Industries Picatinny Adapter Installed

    This German-made commercial Mark 23 stands out with its 'MARK 23' slide marking, DE and CIP proof marks, and a feature-rich .45 ACP configuration. It pairs a cold hammer-forged, polygonal, extended threaded barrel with raised, adjustable sights and proven DA/SA controls. A Lobos Industries MK23 MOD-01 low-profile Picatinny light adapter is installed, and the factory case label matches the pistol’s serial.

    Condition

    Overall Condition: Good condition, showing some signs of prior use and handling.

    Bore Condition: Excellent - Clean, mirror finish, no signs of wear.

    Bore Rifling: Excellent polygonal rifling - Clean, well-defined polygonal surfaces.

    Specific Condition Notes: This firearm is in solid functional shape. There are visible scratches and blemishes on exterior surfaces.

    What's Included

    • HK factory hard case with external serial-matched label
    • Two 12-round magazines
    • Lobos Industries MK23 MOD 01 low-profile Picatinny light adapter (installed)
    • HK Mark 23 operator's manual
    • HK Mark 23 barrel O-rings (spares)
    • Lockout key
    • Kydex holster compatible with SureFire X300

    The Mark 23 configuration here is the commercial variant, with 'MARK 23' slide marking rather than 'MK23 USSOCOM.' It was made in Germany and carries DE and CIP proof marks. The fiber-reinforced polymer frame and full-size format support a 12+1 capacity in .45 ACP.

    The 5.87 in barrel is cold hammer-forged with polygonal rifling and extends beyond the slide. It is threaded 16x1 mm RH and includes an O-ring at the muzzle for consistent lockup and a knurled thread protector.

    Sights are raised 3-dot irons with a tall front blade and a rear adjustable for windage and elevation. Controls include a DA/SA, short-recoil modified Browning action, a manual safety with decocking lever, and an ambidextrous paddle-style magazine release.

    The dustcover features HK’s proprietary universal mounting grooves. A Lobos Industries MK23 MOD-01 low-profile Picatinny light adapter is installed for light mounting flexibility. The case label matches the pistol’s serial for clear identification.

    Dimensions are purposeful: overall length 9.65 in, height 5.90 in, width 1.53 in. Empty weight is approximately 2.66 lb. Capacity is 12+1 with the included 12-round magazines.

Specifications

Item TypeSemi Auto Pistols
ManufacturerHeckler & Koch (H&K, HK)
ModelMark 23
Caliber.45 ACP
Overall ConditionGood
Bore ConditionExcellent
ActionDA/SA
Capacity12 1
Barrel Length5.87"
FinishBlack
Sight/Opticraised 3-dot iron sights
What's IncludedHolster (for Surefire X300), O-Rings, Lockout key, manual
Country of OriginGermany

Explore Other Auctions