The Heckler & Koch Mark 23 (.45 ACP, 12+1, Threaded Barrel, FDE) is a precision-engineered, suppressor-ready pistol built for extreme reliability and accuracy. Originally developed for special operations, it features a 5.87″ match-grade, O-ring‑sealed polygonal barrel, a steel slide, and a corrosion-resistant polymer frame in Flat Dark Earth. With its DA/SA trigger, ambidextrous safety and decocking levers, and a universal accessory rail, it’s a tactical-grade handgun capable of handling high-stress environments.

Model:  H&K Mark 23
Caliber:  .45 ACP
Capacity:  12 + 1 rounds
Action:  DA / SA, Modified Browning (linkless)
Barrel Length:  5.87″, threaded
Thread Pattern:  16×1 mm
Overall Length:  9.65″
Frame:  Flat Dark Earth, polymer with accessory rail
Slide:  Steel, Black Cerakote, one-piece, serrated
Sights:  Fixed 3‑dot patridge rear/front
Recoil System:  HK Recoil Reduction System (buffered)
Special Features:  O-ring sealed barrel for tight lock-up, suppressor-ready, oversized trigger guard, ambidextrous mag release, loader groove on slide