CODE 04-041-966
NAME u2013 HK 12
COUNTRY OF ORIGIN u2013 Germany
DATE OF MANUFACTURE u2013 1966
CALIBER u2013 7.62x39mm
OVERALL LENGTH u2013 98 cm (38.58 in)
BARREL LENGTH u2013 45 cm (17.72 in) without flash hider
RIFLING (TYPE & TWIST) u2013 4 Grooves, Right-hand twist, 1 turn in 24 cm (9.45 in)
LOAD u2013 Ball PS Copper-plated steel jacket spitzer pointed with steel core
BULLET DIAMETER u2013 7.90 mm (0.311 in)
BULLET WEIGHT u2013 7.90 g (121 grains)
MUZZLE VELOCITY u2013 750 m/s (2460 fps)
MUZZLE ENERGY u2013 2,205 j (1,626 ft/lb)
WEIGHT (EMPTY) u2013 5.43 kg (12 lb)
WEIGHT (LOADED) u2013 6.24 kg (13 lb 12 oz) loaded with 40 rounds 57N231 Ball
WEIGHT (MOUNTED) u2013 6.84 kg (15 lb 1 oz) with bipod, loaded with 40 rounds 57N231 Ball
TYPE OF MOUNT u2013 Removable folding bipod
WEIGHT OF MOUNT u2013 0.60 kg (1 lb 5 oz)
WEIGHT OF SPARE BARREL u2013 1.70 kg (3 lb 12 oz)
SIGHTS u2013 Open, iron, adjustable, Front sight u2013 Hooded blade, Rear sight u2013 Vertical rotary drum with 3 apertures for 200, 300, and 400 meters, (219, 328, and 438 yards) V-notch battle sight 100 m (109 yards)
OPTICAL SIGHT u2013 Hensoldt Wetzlar FERO-Z 4×24
OPTICAL SIGHT WEIGHT u2013 0.65 kg (1 lb 7 oz) Telescopic sight with mount
OPTICAL MOUNT WEIGHT u2013 0.43 kg (15 oz) Removable STANAG 2324 Claw mount
OPTICAL SIGHT MAGNIFICATION u2013 4 Power
OPTICAL SIGHT FIELD OF VIEW u2013 6 degrees – 105 m @ 1000 m (31.42 ft @100 yds)
OPTICAL SIGHT ADJUSTMENTS u2013 elevation 100 to 600 meters in 100 meter clicks (109 to 656 yards in 109 yard clicks)
EFFECTIVE RANGE u2013 600 meters (656 yards)
OPERATION u2013 Delayed blowback, roller locked bolt system, fires from closed bolt
TYPE OF FIRE u2013 Selective, semi and full automatic
RATE OF FIRE u2013 40 rpm semi, 90 rpm full automatic
CYCLIC ROF u2013 750 rpm
FEED DEVICE u2013 30 or 40 round removable box magazine, double column, double feed
FEED DEVICE WEIGHT (EMPTY) u2013 0.14 kg (5 oz) 30-round magazine, 0.16 kg (6 oz) 40-round magazine
FEED DEVICE WEIGHT (LOADED) u2013 0.63 kg (1 lb 6 oz) 30-round magazine loaded with 30 rounds 57N231 Ball, 0.81 kg (1 lb 13 oz) 40-round magazine loaded with 40 rounds 57N231 Ball
BASIC AMMUNITION LOAD u2013 Seven 40-round magazines (280 rounds)
LOAD WEIGHT u2013 5.67 kg (12 lb 8 oz)
MANUFACTURER u2013 Heckler & Koch GmbH, Oberndorf/Neckar, Germany
STATUS u2013 Developmental only
SERVICE u2013 Evaluation only
