CODE 04-041-981

NAME – HK 23 E1

COUNTRY OF ORIGIN – Germany

DATE OF MANUFACTURE – 1981

CALIBER – 5.56x45mm

OVERALL LENGTH – 103 cm (40.55 in)

BARREL LENGTH – 45 cm (17.72 in) without flash suppressor

RIFLING (TYPE & TWIST) – 6 Groove, Right-hand twist, 1 turn in 30.5 cm (12 in)

LOAD – M193 Spitzer-pointed full metal jacket

BULLET DIAMETER – 5.69 mm (0.224 in)

BULLET WEIGHT – 3.56 g (55 grains)

MUZZLE VELOCITY – 970 m/s (3182 fps)

MUZZLE ENERGY – 1677 j (1237 ft/lb)

WEIGHT (EMPTY) – 8.20 kg (18 lb 1 oz)

WEIGHT (LOADED) – 11.67 kg (25 lb 12 oz) loaded with belt box holding 200-round belt M193 ball

WEIGHT (MOUNTED) – 12.49 kg (27 lb 9 oz) with bipod, sling, support grip, loaded with belt box holding 200-round belt M193 ball

WEIGHT (MOUNTED) – 22.69 kg (50 lb) with bipod, sling, support grip, on tripod mount, loaded with belt box holding 200-round belt M193 ball

TYPE OF MOUNT – Folding removable bipod

WEIGHT OF MOUNT – 0.55 kg (1 lb 3 oz)

TYPE OF MOUNT – 1102 tripod mount

WEIGHT OF MOUNT – 10.2 kg (22 lb 8 oz)

WEIGHT OF SPARE BARREL – 1.6 kg (3 lb 8 oz) with flash suppressor

WEIGHT OF SLING – 0.17 kg (6 oz)

WEIGHT OF SUPPORT GRIP – 0.10 kg (3.5 oz)

SIGHTS – Open, iron, adjustable, Front sight – Hooded post, Rear sight, aperture with rotating elevation drum, 100 meters click stops (109 yard) graduated 100 to 1100 meters (109 to 1,203 yards)

OPTICAL SIGHT – ZF 4×24

OPTICAL SIGHT WEIGHT – 0.65 kg (1 lb 7 oz) with mount

OPTICAL SIGHT MAGNIFICATION – 4 Power

OPTICAL SIGHT FIELD OF VIEW – 5 degrees 40 minutes – 10 m @ 100 m (30 ft @100 yds)

OPTICAL SIGHT ADJUSTMENTS – Adjustable for windage and elevation, 6 adjustments from 100 to 600 m (109 to 656 yards)

EFFECTIVE RANGE – 1,200 m (1312 yards)

OPERATION – Blowback, Delayed roller locked bolt system, fires from closed bolt

TYPE OF FIRE – Selective, semi, three-round burst, and full automatic

RATE OF FIRE – 50 rpm semi, up to 200 rpm full automatic with barrel change

CYCLIC ROF – 750 rpm

FEED DEVICE – M27 disintegrating metallic link belt

FEED DEVICE WEIGHT (EMPTY) – 200 M27 links – 0.414 kg (14.6 oz)

200-round belt box (Empty) – 0.70 kg (1 lb 9 oz)

FEED DEVICE WEIGHT (LOADED) – 2.77 kg (6 lb 2 oz) loaded with 200 rounds M193 ball in M27 links

200-round belt box (LOADED) – 3.47 kg (7 lb 10 oz) loaded with 200 rounds M193 Ball in M27 link belt

BASIC AMMUNITION LOAD – Five 200-round belts (1,000 rounds)

LOAD WEIGHT – 13.85 kg (30 lb 9 oz)

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

STATUS – Production completed

SERVICE – International sales

     This is the HK 23 E but with a barrel twist to stabilize the M193 3.56 g (55 grain) projectile