Trijicon HK109Y Bright & Tough Night Sight Set for H&K P2000/P2000SK – 600600. The Trijicon 600600 is a Bright & Tough night sight set designed specifically for H&K (Heckler & Koch) P2000 and P2000SK pistols. These night sights feature tritium inserts that provide illumination in low-light and nighttime conditions, enhancing target visibility and accuracy. Trijicon is well-known for producing high-quality night sights that are favored by shooters, law enforcement, and military personnel for their durability and reliability. This set is tailored for H&K P2000 and P2000SK handguns, ensuring a precise fit and improved sight picture in various shooting scenarios.