OVERALL LENGTH – 101.8 cm (40.10 in) Stock collapsed, 117.8 cm (46.38 in) Stock extended
BARREL LENGTH – 50.8 cm (20 inch)
RIFLING (TYPE & TWIST) – 6 Groove, Right-hand twist, 1 turn in 28 cm (11.02 in)
LOAD – M852 Match Spitzer-pointed full jacketed ball
BULLET DIAMETER – 7.82 mm (0.308 in)
BULLET WEIGHT – 10.89 g (168 grains)
MUZZLE VELOCITY – 783 m/s (2,570 fps)
MUZZLE ENERGY – 3,341 j (2,464 ft/lb)
WEIGHT (EMPTY) – 4.24 kg (9 lb 6 oz) without iron sights
WEIGHT (LOADED) – 5.81 kg (12 lb 13 oz) With diopter iron sights, loaded with 20 rounds M852 Match Ball
SIGHTS – Removable open, iron, adjustable, Front sight – Post in hooded sight ring, Rear sight – Rotary vertical drum with diopter and V-notch sights, V-notch and #2 peep are set for 200 meters (219 yards), #3 Peep is for 300 meters (328 yards) and #4 peep is for 400 meters (438 yards). Rear sight is screw adjustable for windage and elevation for zero. Removable Picatinny rail along top and sides of weapon for optical and electronic sights and aiming/indicating devices
Optional telescopic sight may be installed on upper Picatinny rail
IRON SIGHT WEIGHT – Iron sights – 0.25 kg (9 oz) Rear Diopter sight and front sight for Picatinny rail
SERVICE – German military, US Military and Special Operations forces, International Special Operations forces,
This sniper variation of the HK417 family has a specially accurized barrel, capable of shooting 0.3 moa at 800 meters (875 yards). Normally, the weapon is issued with a telescopic sight as preferred by the user organization.