CODE 03-041-965

NAME – HK33A2

COUNTRY OF ORIGIN – Germany

DATE OF MANUFACTURE – 1965

CALIBER – 5.56x45mm

OVERALL LENGTH – 92 cm (36.22 in)

BARREL LENGTH – 39.9 cm (15.7 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 – 951 m/s (3,121 fps)

MUZZLE ENERGY – 1613 j (1190 ft/lb)

WEIGHT (EMPTY) – 3.65 kg (8 lb 1 oz)

WEIGHT (LOADED) – 4.281 kg (9 lb 7 oz) loaded with 40 rounds M193 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 and Full automatic

RATE OF FIRE – 40rpm semi, 100 rpm full automatic

CYCLIC ROF – 750 rpm

FEED DEVICE – 20 or 40 round curved aluminum removable box magazine, double column, double feed

FEED DEVICE WEIGHT (EMPTY) – 20 rnd – 0.113 kg (4 oz), 40 rnd – 0.159 kg (5.6 oz)

FEED DEVICE WEIGHT (LOADED) – 20 rnd – 0.349 kg ( 12.3  oz) loaded with 20 rounds M193 Ball

40 rnd – 0.631 kg (1 lb 6.3 oz) loaded with 40 rounds M193 Ball

BASIC AMMUNITION LOAD – Four 40-round magazines (120 rounds)

LOAD WEIGHT – 2.524 kg (5 lb 9 oz)

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

STATUS – Production completed

SERVICE – Military and law enforcement, International sales and licensed production

     This is the standard fixed-stock rifle of the Group II 5.56×45 mm series. It was tested in combat in the United States by the Navy SEALs under the designation “T223” which was the name used by the importer/distributor Harrington Richardson.