Like the slightly larger P2000 model, the P2000 SK (subcompact) combines elements of the successful HK USP Compact pistol with recent technological innovations from HK engineers — only in a smaller, more concealable design.

The P2000 SK is available with Law Enforcement Modification (also known as Combat Defense Action) trigger system introduced in 2001 on the USP Compact "LEM" (Law Enforcement Modification) model. This unique pre-cocked hammer system combines the advantages of a cocked striker component (constant level of trigger pull and short trigger travel from first to last round fired) with a double action hammer system. The LEM/CDA trigger pull has been reduced to 7.3 - 8.5 pounds of pressure (32.5 - 37.8 Newtons), compared to 12 - 15 pounds (53.4 - 66.7 N) found on many conventional double action pistols. Optional adjustment by an HK certified armorer can bring the trigger pull into the 5.5 pound (24.5 N) range.

Using such an enhanced trigger system consolidates ease of use and safety into a convenient, innovative trigger operation — one that prevents unintended firing. And in case of an ammunition-related failure to fire, all that is needed is an additional second or third pull of the trigger without the need of first pulling the slide back to re-cock the Subcompact.

The enhanced LEM/CDA trigger system combines the reliability of a double-action revolver trigger with the crisp, precise trigger of a single-action pistol. For shooters that prefer a conventional double-action/single-action pistol, a double-action/single-action variant is also available with a decock button mounted on the rear of the frame. A choice of two simple-to-install grip panels make it easy to custom-fit the P2000 Subcompact to any shooter's hand. And the same ambidextrous magazine release and dual slide release levers found on the P2000 make handling the Subcompact easy for both right- and left-handed shooters.

A set of abbreviated "industry standard" mounting rails on the P2000 SK enable lights, laser aimers, and other accessories to be added by sliding them onto the open rail system. The HK P2000 SK also can use widely available, reliable USP Compact magazines. Available in 9 mm, .40 S&W, and .357 SIG (limited availability).