CODE – 04-132-959
NAME – M73
COUNTRY OF ORIGIN – USA
DATE OF MANUFACTURE – 1959
CALIBER – 7.62x51mm
OVERALL LENGTH – 95.9 cm (37.75 in)
BARREL LENGTH – 55.9 cm (22 in)
RIFLING (TYPE & TWIST) – 4 Grooves, Right-hand twist, 1 turn in 30.5 cm (12 in)
LOAD – M80 ball Spitzer-pointed full jacketed ball
BULLET DIAMETER – 7.82 mm (0.308 in)
BULLET WEIGHT – 9.66 g (149 grains)
MUZZLE VELOCITY – 865 m/s (2837 fps)
MUZZLE ENERGY – 3611 j (2663 ft/lb)
WEIGHT (EMPTY) – 12.70 kg (28 lb)
WEIGHT (LOADED) – 15.67 kg (34 lb 9 oz) loaded with 100 rds M80 ball in M13 link belt
TYPE OF MOUNT – Vehicular mount
WEIGHT OF SPARE BARREL – 2.55 kg (5 lb 10 oz)
SIGHTS – None, sights on vehicle
EFFECTIVE RANGE – 900 m (984 yards)
OPERATION – Recoil with gas booster, fires from open bolt
TYPE OF FIRE – Full automatic
RATE OF FIRE – 150 rpm
CYCLIC ROF – 500-600 rpm
FEED DEVICE – M13 flexible disintegrating link belt
FEED DEVICE WEIGHT (EMPTY) – 0.43 kg (15 oz) 100 M13 links
FEED DEVICE WEIGHT (LOADED) – 2.97 kg (6 lb 9 oz) 100 rds M80 ball in M13 link belt
BASIC AMMUNITION LOAD – 600 rounds (on board M60 battle tank)
LOAD WEIGHT – 17.82 kg (39 lb 5 oz)
MANUFACTURER – General Electric Co., Burlington, Vermont, Rock Island Arsenal, Rock Island, Illinois
STATUS – Obsolete
SERVICE – US Military
