Heckler & Koch (H&K) Mark 23 .45 ACP 12+1 – Threaded Barrel, FDE (Used)
Specifications:
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Manufacturer: Heckler & Koch (H&K)
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Model: Mark 23 (MK23)
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Caliber: .45 ACP
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Capacity: 12+1 rounds
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Action: Semi-Automatic, Double-Action/Single-Action (DA/SA)
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Barrel Length: 5.87 inches – Match-grade threaded barrel with O-ring for accuracy
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Frame Material: Polymer
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Color: Flat Dark Earth (FDE)
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Sights: Fixed 3-dot combat sights or night sights (confirm specific setup)
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Thread Pitch: 16x1mm left-hand (standard for HK suppressor-ready pistols)
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Controls: Ambidextrous safety and mag release, decocker
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Weight: Approx. 39 oz (unloaded)
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Rail: Proprietary rail (adapter required for standard lights/lasers)
Condition (Used):
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Overall: Very Good to Excellent – Light wear from range use
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Barrel & Bore: Excellent – Clean, sharp rifling, crown intact
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Slide & Frame: Minimal handling marks; FDE finish in great shape
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Thread Protector: Included (verify), threads undamaged
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Action: Smooth DA/SA trigger; decocker and safety function properly
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Magazines: Includes at least one factory 12-round magazine (verify quantity)
Key Features:
✅ SOCOM-Tested Design – Originally developed for U.S. Special Operations Command (USSOCOM)
✅ Match-Grade Threaded Barrel – Ready for suppressors or compensators
✅ Built for Extreme Reliability – Overbuilt for harsh conditions and long-term use
✅ FDE Finish – Distinctive and less common, adds collector and tactical appeal
✅ Extremely Accurate – One of the most accurate .45 ACP handguns ever fielded
Ideal Uses:
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Tactical Applications – Suppressor-ready with combat-proven durability
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Home Defense – Reliable and accurate with big-bore stopping power
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Collectors & HK Enthusiasts – A must-have for any serious HK or military pistol collection
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Range & Precision Shooting – Capable of sub-2" groups at 25 yards
Additional Notes:
The HK Mark 23 is a legendary combat pistol, known for unmatched reliability, accuracy, and rugged construction. The FDE variant with threaded barrel is especially desirable among collectors, suppressor users, and tactical shooters. Its large frame and top-tier components make it a standout in the .45 ACP world.
Let me know if you'd like pricing trends, suppressor compatibility, or accessory suggestions (like rail adapters or holsters)!