CODE – 02-041-984

NAME – JSSAP 6.3A Submachinegun

NAME (NATIVE) – HK SMG 94054

COMMON NAMES – SMG I

COUNTRY OF ORIGIN – Germany

DATE OF MANUFACTURE – 1984

CALIBER – 9x19mm

OVERALL LENGTH -36.3 cm (14.31 in) Stock collapsed, 54.3 cm (21.38 in) Stock open to first notch, 57.6 cm (22.69 in) Stock fully open

OVERALL LENGTH WITH SUPPRESSOR MOUNTED – 54.9 cm (21.63 in) Stock collapsed, suppressor mounted, 72.7 cm (28.63 in) Stock open to first notch, suppressor mounted, 75.9 cm (29.88 in) Stock fully extended, suppressor mounted

BARREL LENGTH – 14.3 cm (5.63 in)

SUPPRESSOR LENGTH – 27.5 cm (10.81 in) overall, 8.9 cm (3.5 in) Suppressor mounting tube length , 18.6 cm (7.31 in) Suppressor body length

SUPPRESSOR DIAMETER – 2.7 cm (1.062 in) Suppressor mounting tube diameter, 4.1 cm (1.628 in) Suppressor body diameter

RIFLING (TYPE & TWIST) – 6-groove, Right-hand twist, 1 turn in 25 cm (9.86 in)

BULLET DIAMETER – 9.02 mm (0.355 in)

BULLET WEIGHT – 8.04 g (124 grains) M882 Ball

BULLET WEIGHT – 9.5 g (147 grains) OSP HP Ball Subsonic

MUZZLE VELOCITY – 374 m/s (1227 fps) M882 Ball

MUZZLE VELOCITY – 310 m/s (1017 fps) OSP HP Ball Subsonic

MUZZLE ENERGY – 562 j (415 ft/lb) M882 Ball

MUZZLE ENERGY – 458 j (338 ft/lb) OSP HP Ball Subsonic

WEIGHT (EMPTY) – 2.78 kg (6 lb 2.1 oz)

WEIGHT (LOADED) – 3.23 kg (7 lb 1.9 oz) loaded with 30 rounds M882 Ball

WEIGHT (LOADED) – 3.27 kg (7 lb 3.4 oz) loaded with 30 rounds OSP HP Ball Subsonic

WEIGHT (LOADED) WITH SUPPRESSOR – 4.05 kg (8 lb 14.9 oz) loaded with 30 rounds M882 Ball and suppressor

WEIGHT (LOADED) WITH SUPPRESSOR – 4.87 kg (10 lb 11.8 oz) loaded with so rounds OSP HP Ball Subsonic and suppressor

SUPPRESSOR WEIGHT – 0.82 kg (1 lb 12.9 oz) Final Stainless Steel suppressor

SUPPRESSOR MOUNTING – Integral with barrel/receiver

SUPPRESSOR OPERATION – Three-stage, expansion chamber, angular baffle stack diffuser, muzzle expansion chamber

SUPPRESSOR DECIBLE REDUCTION – 115 db down from 137 db with M882 Ball

SUPPRESSOR DECIBLE REDUCTION – 108 db down from 137 db with OSP HP Ball Subsonic

SIGHTS – Open, iron, adjustable, with 3-dot tritium inserts, Front sight – Blade with single tritium insert, second blade at top of sight without insert. Rear sight – Aperture with two-dot tritium inserts, adjustable for windage, adjustable for range from 0 to 150 meters (0 to 164 yards) in 25 meter (27 yard) increments. Rear sight selectable for supersonic or subsonic ammunition. M setting for rear sight allows for aiming while wearing gas mask. Rear sight is raised on M setting and uses the blade on top of the front sight

EFFECTIVE RANGE – 135 m (150 yards)

OPERATION – Blowback, hammer fired from closed bolt

TYPE OF FIRE – Selective, Semi and Full automatic

RATE OF FIRE – 40 rpm Semi, 100 rpm Full

CYCLIC ROF – 880 rpm

FEED DEVICE – 30 round removable reinforced-polymer magazine, double column, double feed

FEED DEVICE WEIGHT (EMPTY) – 0.08 kg (2.82 oz)

FEED DEVICE WEIGHT (LOADED) – 0.45 kg (15.9 oz) Loaded with 30 rds M882 Ball

FEED DEVICE WEIGHT (LOADED) – 0.49 kg (1 lb 1.3 oz) loaded with 30 rds OSP HP Ball Subsonic

BASIC LOAD – Six 30 round magazine (180 rounds)

LOAD WT – 2.7 kg (5 lb 15.4 oz)

MANUFACTURER – Heckler & Koch GmbH Oberndorf am Necker, Germany

STATUS – Developmental only

SERVICE – Evaluation