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HK Mark 23 Full Size .45 ACP Flat Dark Earth Pistol

The HK Mark 23 is a full-size .45 ACP semi-automatic pistol designed around a robust double-action/single-action operating system. Its Flat Dark Earth polymer frame is paired with a matte-finished slide, an ambidextrous manual safety, and a decocker for flexible carry and handling. The 5.87-inch threaded barrel accepts compatible muzzle accessories, while the factory three-dot sights provide a familiar sight picture. The pistol uses 12-round magazines and includes two magazines.

Key features

  • Double-action/single-action operation provides a deliberate double-action first shot and a lighter single-action follow-up
  • 5.87-inch threaded barrel supports compatible muzzle devices and suppressors
  • Ambidextrous manual safety and decocker accommodate varied handling preferences
  • Three-dot standard sights provide a clear, familiar sight picture
  • Flat Dark Earth polymer frame balances durability with manageable carry weight
  • Includes two 12-round magazines

The HK Mark 23 combines a proven operating system, accessory-ready barrel, and full-size .45 ACP performance in a distinctive Flat Dark Earth configuration.

HK Mark 23 Full Size .45 ACP Flat Dark Earth Pistol: quick facts

What caliber is the HK Mark 23 Full Size .45 ACP Flat Dark Earth Pistol?
It is chambered in .45 ACP.
How many rounds does it hold?
12+1 rounds; magazines included: 2.
How big and heavy is it?
Barrel length 5.87 inches, overall length 9.65 inches, weight 2.42 pounds.
What kind of action does it use?
Semi-Automatic.
Is it optic ready or threaded?
Optic ready: No; threaded barrel: Yes.
What sights and finish does it have?
Sights: Standard Sights; finish: Flat Dark Earth.
Is it new or used?
New, in the original packaging.
Can I buy it in Connecticut?
Yes. It ships to a licensed FFL dealer in Connecticut; you pick it up there after the background check. Connecticut buyers need a pistol permit or Handgun Eligibility Certificate, and the Connecticut dealer will only transfer this model if it and its magazines (10 rounds or fewer) are legal in Connecticut.
Is it in stock?
Yes, at $2659.19. Orders leave within 1-2 business days; shipping is free over $999.

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