HK HK45 Tactical .45 ACP, DA/SA, 5.2 in Threaded Barrel (M16x1 LH), Suppressor-Height Sights, Ambi Controls, 10+1, USA-Made
The HK45 Tactical is a full-size .45 ACP built for hard-use performance, featuring a 5.2 in threaded barrel with M16x1 LH threads, suppressor-height iron sights, and fully ambidextrous controls. This U.S.-made example has a cold-hammer-forged polygonal barrel with an O-ring at the muzzle, a nitrocarburized finish, and includes two 10-round steel magazines and an extra backstrap. Its design traces to the U.S. Joint Combat Pistol program, delivering a proven, duty-focused configuration.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent polygonal rifling - clean, well-defined engagement surfaces.
Specific Condition Notes: This HK45 Tactical has been very well maintained. The barrel presents a mirror-finish polygonal bore.
What’s Included
- HK45 Series operator's manual
- Additional interchangeable backstrap (uninstalled)
- HK logo sticker
- Tools
- Soft zip case
- Two 10-round steel magazines with witness holes
This Tactical variant features a 5.2 in extended, threaded barrel with M16x1 LH threads. The barrel is cold-hammer-forged with polygonal rifling and includes an O-ring at the muzzle for consistent lockup. A nitrocarburized finish provides a durable protective surface.
The short-recoil, hammer-fired DA/SA system pairs with a frame-mounted safety and decocker. Ambidextrous slide releases and an ambidextrous paddle-style magazine release support left- or right-handed operation. Suppressor-height iron sights include a luminous front blade and a tall serrated square-notch rear for a bold sight picture.
The full-size polymer frame uses HK45 texturing with finger grooves and an interchangeable backstrap system for customizable fit. An integral MIL-STD-1913 accessory rail is molded into the dust cover for mounting compatible lights or accessories.
Capacity is 10+1 in .45 ACP, and this pistol includes two 10-round steel magazines with witness holes. Marked Heckler & Koch, Inc., Columbus GA, Made in USA, it aligns with the HK45 lineage tied to the U.S. Joint Combat Pistol program. Approximate dimensions are 8.6 in L x 5.7 in H x 1.54 in W, with an unloaded weight around 32 oz.



