03A-041-985
NAME – HK 33 SG/1
NAME (NATIVE) – HK 33 Schützengewehr 1 [Marksman’s Rifle]
COUNTRY OF ORIGIN – Germany
DATE OF MANUFACTURE – 1985
CALIBER – 5.56x45mm
OVERALL LENGTH – 94 cm (37 in)
BARREL LENGTH – 39 cm (16.25 in) without flash hider
RIFLING (TYPE & TWIST) – Polygonal, 6-Grooves, Right-hand twist, 1 turn in 30.5 cm (12 in)
LOAD – M193 Ball, Spitzer-pointed full metal jacket
BULLET DIAMETER – 5.70 mm (0.224 in)
BULLET WEIGHT – 3.56 g (55 grains)
MUZZLE VELOCITY – 956 m/s (3,137 fps)
MUZZLE ENERGY – 1,630 j (1,202 ft/lb)
WEIGHT (EMPTY) – 4.08 kg (9 lb 14 oz)
WEIGHT (LOADED) – 5.43 kg (12 lb) with telescopic sight, loaded with 25 rounds M193 Ball
WEIGHT (LOADED AND MOUNTED) – 5.72 kg (12 lb 10 oz)) on bipod, with telescopic sight, loaded with 25 rounds M193 Ball
TYPE OF MOUNT – Folding bipod
WEIGHT OF MOUNT – 0.29 kg (10 oz)
SIGHTS – Open, iron, adjustable, Front sight – Post in hooded sight ring, Rear sight, Flip-up leaf with apertures for 200 and 300 meters (219 and 328 yards)
OPTICAL SIGHT – Zeiss Diavari-DA 1.5-6x
OPTICAL SIGHT WEIGHT – 0.50 kg (1 lb 1.5 oz) without mount
OPTICAL SIGHT WEIGHT – 0.95 kg (2 lb 2 oz) with mount
OPTICAL SIGHT MAGNIFICATION – 1.5 to 6 Power
OPTICAL SIGHT FIELD OF VIEW – 200 to 65 m @ 1000 m (600 to 195 ft @1000 yds)
OPTICAL SIGHT ADJUSTMENTS –100 to 600 meters in 100 meter increments (109 to 656 yards in 109 yards increments)
EFFECTIVE RANGE – 400 m (437 yards)
OPERATION – Blowback, Delayed roller locked bolt system
TYPE OF FIRE – Selective, Semi and Full automatic
RATE OF FIRE – 10 to 20 rpm Semi, 100 rpm Full
CYCLIC ROF – 750 rpm
FEED DEVICE – 5 or 25 round removable box magazine, double column, double feed
FEED DEVICE WEIGHT (EMPTY) – 5 rd – 0.06 kg (2 oz), 25 rd – 0.11 kg (4 oz)
FEED DEVICE WEIGHT (LOADED) – 5 rd – 0.12 kg (4 oz) loaded with 5 rounds M193 ball
25 rd – 0.40 kg (14 oz) loaded with 25 rounds M193 ball
BASIC AMMUNITION LOAD – Two 5-round magazines and three 25-round magazines (85 rounds)
LOAD WEIGHT – 1.44 kg (3 lb 3 oz)
MANUFACTURER – Heckler & Koch GmbH, Oberndorf/Neckar, Germany
STATUS – Production completed
SERVICE – German military and law enforcement use, international commercial sales
