it is NOT a SA/DA it is the DAO LEM action it does have 3-Dot Tritium adjustable high profile sights from HK "Part No. 745037T‐A5, UPC 642230249073 – HK45 Compact Tactical (V7) DAO LEM, with two 10rd magazines and adjustable high profile sights " https://hk-usa.com/hk-models/hk45-compact-tactical/

it is Double action only with the DAO LEM trigger and had adjustable 3 dot Tritium sights see ******Details Shipping Originally developed for the U.S. military's next generation handgun competition, the HK45 Tactical comes standard with a threaded barrel and ******three-dot tritium night sights. It is made at HK's American manufacturing facility in New Hampshire using American and German components. The HK45 Tactical uses a 10-round steel magazine and has a Picatinny MIL-STD-1913 rail molded into its polymer frame for mounting lights and accessories. The HK45 Tactical has a proprietary internal mechanical recoil reduction system that employs a flat recoil spring in tandem with a polymer bushing sleeve to reduce the recoil forces effecting the operator and the weapon, improving shooter control during rapid firing and prolonging component service life. An O-ring on the threaded barrel means better slide-to-barrel lockup and enhanced accuracy. Each HK45 CT comes standard with an extra back strap for a custom fit for each shooter's hand. This model is Variant 7,****** a double action LEM trigger without control lever (no manual safety/decocking lever). Type Pistol Grips Black Synthetic Action Double Safety No Manual Series Compact Tactical V7 LEM Weight 29.1 oz Caliber 45 automatic colt pistol acp Capacity 10+1 Case Type Hard Barrel Type Polygonal Rifled Sight Style Night Weight Range 16.00 oz to 31.99 oz Barrel Length 4.57" Frame Material Polymer Slide Description Black

Thomas, this HK45 Compact is a "Double Action Only" Pistol with both "Front" and "Rear" Tritium Night Sights Sir.

it is Double action only with the DAO LEM trigger and had adjustable 3 dot Tritium sights see ******Details
Shipping
Originally developed for the U.S. military's next generation handgun competition, the HK45 Tactical comes standard with a threaded barrel and ******three-dot tritium night sights. It is made at HK's American manufacturing facility in New Hampshire using American and German components. The HK45 Tactical uses a 10-round steel magazine and has a Picatinny MIL-STD-1913 rail molded into its polymer frame for mounting lights and accessories. The HK45 Tactical has a proprietary internal mechanical recoil reduction system that employs a flat recoil spring in tandem with a polymer bushing sleeve to reduce the recoil forces effecting the operator and the weapon, improving shooter control during rapid firing and prolonging component service life. An O-ring on the threaded barrel means better slide-to-barrel lockup and enhanced accuracy. Each HK45 CT comes standard with an extra back strap for a custom fit for each shooter's hand. This model is Variant 7,****** a double action LEM trigger without control lever (no manual safety/decocking lever).
Type
Pistol
Grips
Black Synthetic
Action
Double
Safety
No Manual
Series
Compact Tactical V7 LEM
Weight
29.1 oz
Caliber
45 automatic colt pistol acp
Capacity
10+1
Case Type
Hard
Barrel Type
Polygonal Rifled
Sight Style
Night
Weight Range
16.00 oz to 31.99 oz
Barrel Length
4.57"
Frame Material
Polymer
Slide Description
Black