Heckler & Koch P9S 

Model: HK P9S
Production: 1970 - 1995
Caliber: 9 mm Luger (9x19 mm)
Magazine Capacity: 9 + 1 rounds
Dimensions (L x W x H): 7.55 x  1.33 x 5.39 in (192 x 34 x 137 mm)
Barrel Length: 4”/102 mm
Sight Radius: 5.78”/147 mm
Rear Sight Notch: 0.137”/3,5 mm
Front Sight Width: 0.114”/2,9 mm
Trigger Pull Weight: 158-56.4 oz/4500-1600 g
Weight (empty): 32.8 oz/930 g
Notes: DA/SA trigger, roller delayed locking system, hammered polygonal barrel made of stainless steel, slide and frame made from stamped sheet steel