The HK45 uses an HK proprietary O-ring barrel for precise barrel-to-slide lockup and optimal accuracy. HK45 barrels are made using the famous HK cold-hammer forging process for superior performance.

The Heckler & Koch HK45 (Heckler & Koch, .45 ACP) is a semi-automatic pistol designed by the German arms manufacturer Heckler & Koch.

The HK45C is the compact class of the HK45 family. It differs mainly in size, but not in handling. The frame of the HK45C has a smooth but easy-to-grip contoured texture to ensure a high level of safe gripping. The HK45C’s short and compact design supports discreet concealed carry. Precision at a glance. Polygon. 6-fach. Rechtsdrall.

The full-size HK45 Tactical (HK45T) model uses an ergonomic grip design that includes changeable backstraps together with molded finger grooves that instinctively position an operator’s hand for optimum shooting.

The HK Mark 23 Caliber .45 ACP pistol gives shooters match grade accuracy equal to that of the finest custom made handguns — yet exceeds the most stringent operational requirements ever demanded of a combat handgun.

Jun 6, 2019 · The HK Mark 23 I recently tested was a commercial model of the U.S. Government issue MK23 MOD 0 pistol and is available in limited numbers. Designated the “Mark 23,” it’s almost identical to the MK23 MOD 0 pistol, right down to its threaded barrel.

The HK45C was born from Heckler & Koch’s work on a full-size .45 to be built for consideration in the U.S. Military Joint Combat Pistol program. The HK45, big brother and inspiration for the HK45C, was not only designed to be used by elite soldiers, but designed by one.

The H&K 45 has a grip-to-slide angle that matches Model 1911’s profile, magazines with a capacity of 10 rounds, and Heckler & Koch’s famous Polygonal rifling for longer barrel life and better accuracy.

Compare the dimensions and specs of Heckler & Koch HK45 and Heckler & Koch Mark 23

Mar 26, 2006 · In an earlier post, the Mark23 grip was measured as 6" circumference, while the 45 Tactical has 5.75" circumference. I found that both are perfectly fine in single-action trigger reach, but DA trigger on Mark23 requires abit more extension of my trigger finger.