OVERALL LENGTH – 96 cm (37.8 in) Stock folded, 120 cm (47.24 in) Stock open
BARREL LENGTH – 55 cm (21.65 in)
RIFLING (TYPE & TWIST) – 4 Grooves, Right hand twist, 1 turn in 30.5 cm (12 in)
LOAD – M80 Ball Spitzer-pointed full jacketed ball
BULLET DIAMETER – 7.82 mm (0.308 in)
BULLET WEIGHT – 9.66 g (149 grains)
MUZZLE VELOCITY – 865 m/s (2837 fps)
MUZZLE ENERGY – 3611 j (2663 ft/lb)
WEIGHT (EMPTY) – 10.9 kg (24 lb 1 oz) without bipod
WEIGHT (LOADED) – 12.72 kg (28 lb 1 oz) loaded with 50-round belt drum with 50 rounds M80 ball in M13 links
WEIGHT (MOUNTED) – 13.42 kg (29 lb 9 oz) with bipod, loaded with 50-round belt drum with 50 rounds M80 ball in M13 links
TYPE OF MOUNT – Folding bipod
WEIGHT OF MOUNT – 0.70 kg (1 lb 9 oz)
WEIGHT OF SPARE BARREL – 3.0 kg (6 lb 10 oz)
SIGHTS – Open, iron, adjustable, Folding front sight with post, adjustable for elevation and windage for zero, Mechanical Rear sight – Square notch, adjustable for range from 100 to 1,000 meters in 100 meter increments (109 to 1,094 yards in 109 yard increments), Integral Mil-STD-1913 Picatinny rail on top of receiver accepts optical and electro-optical sights
OPTICAL SIGHT – Hensoldt/Zeiss ZO 4x30i with illuminated reticle
OPTICAL SIGHT WEIGHT – 0.60 kg (1 lb 5 oz) with battery and mount
OPTICAL SIGHT MAGNIFICATION – 4 Power
OPTICAL SIGHT FIELD OF VIEW – 8 degrees – 140 m @ 1000 m (41.89 ft @ 100 yds)
EFFECTIVE RANGE – 1,200 m (1,312 yards)
OPERATION – Gas, fires from open bolt
TYPE OF FIRE – Full automatic
RATE OF FIRE – 100 rpm
CYCLIC ROF – 640, 720 or 800 rpm, depending on gas setting
FEED DEVICE – M13/DM60 flexible disintegrating metallic link belt, 50-round belt drum,
FEED DEVICE WEIGHT (EMPTY) – 0.21 kg (7 oz) 50 empty M13 links, 0.428 kg (15 oz) 100 empty M13 links, 1.07 kg (2 lb 6 oz)
FEED DEVICE WEIGHT (LOADED) – 1.48 kg (3 lb 4 oz) belt loaded with 50 rounds M80 ball, 2.97 kg (6 lb 9 oz), 100 rds M80 ball in M13 links, 7.42 kg (16 lb 6 lb) 250 rds M80 ball in M13 link belt
BELT DRUM (LOADED) – 1.79 kg (3 lb 15 oz) belt loaded with 50 rounds M80 ball
BELT BOX 100-rd (LOADED) – 4.05 kg (8 lb 15 oz) belt loaded with 100 rounds M80 Ball,
M19A1 AMMUNITION BOX (LOADED) – 9.1 kg (20 lb 1 oz) with 250 rounds M80 ball in M13 links
BASIC AMMUNITION LOAD – Three – 50-rd drums, four – M19A1 Ammunition cans with belts (1,150 rounds)
Developed originally as the HK 121, the weapon was submitted to German military trials starting in 2008. The trials resulted in some modifications to the original submission and these were incorporated into the weapon in 2012.
