MeproLight Tru-Dot Adjustable Night Sights Set? For H&K USP Full size, Tactical/Expert model. MEPROLIGHT® Tru-Dot® adjustable sights offer a handgun sighting system for improved rapid instinctive aiming which requires no transition from day to night use. Day and night, the shooter’s aiming reference is three solid dots, identical in appearance and location under all light conditions. Green Front / Green Rear. Three dot adjustable sights. 3.5mm (0.14 in). 7.6mm (0.3 in). Overall front sight height: 9.8mm (0.39 in). 10mm (0.39 in). 7.8mm (0.31 in). 2.4mm (0.09 in). Rear width (mm): 19mm (0.75 in). Notch width: 3.5mm (0.14 in). 7.4mm (0.29 in). 2.8mm (0.11 in). Item must be in new and un-used condition, and include any original tags or packaging.