G41K – 5.56mm NATO

CODE 03-041-981

NAME – G41K – 5.56mm NATO

COMMON NAME – G41K

COUNTRY OF ORIGIN – Germany

DATE OF MANUFACTURE – 1981

CALIBER – 5.56x45mm NATO

OVERALL LENGTH – 80 cm (31.5 in) Stock collapsed, 98.5 cm (38.78 in) Stock extended

BARREL LENGTH – 38 cm (14.96 in) without flash suppressor

RIFLING (TYPE & TWIST) – Polygonal, 4-grooves, Right-hand twist, one turn in 17.8 cm (7 in)

LOAD – M855 Full metal jacket with steel core penetrator

BULLET DIAMETER – 5.69 mm (0.224 in)

BULLET WEIGHT – 4.02 g (62 grains)

MUZZLE VELOCITY – 914 m/s (2,999 fps)

MUZZLE ENERGY – 1679 j (1238 ft/lb)

WEIGHT (EMPTY) – 4.30 kg (9 lb 8 oz)

WEIGHT (LOADED) – 4.81 kg (10 lb 10 oz) loaded with 30 rounds M855 Ball.

SIGHTS – 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.

EFFECTIVE RANGE – 300 m (328 yards)

OPERATION – Blowback, Delayed roller locked bolt system

TYPE OF FIRE – Selective, Semi, 3-round burst, and Full automatic

RATE OF FIRE – 40 rpm Semi, 100 rpm 3-round burst, 120 rpm full automatic

CYCLIC ROF – 850 rpm

FEED DEVICE – 30-round aluminum removable box magazine, double column, double feed, (STANAG 4179)

FEED DEVICE WEIGHT (EMPTY) – 0.14 kg (5 oz)

FEED DEVICE WEIGHT (LOADED) – 0.51 kg (1 lb 2 oz) loaded with 30 rounds M855 Ball

BASIC AMMUNITION LOAD – Six-30-round magazines (180 rounds)

LOAD WEIGHT – 3.06 kg (6 lb 12 oz)

MANUFACTURER – Heckler & Koch GmbH, Oberndorf/Neckar, Germany

STATUS – Production completed

SERVICE – Military evaluation

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