RIFLING (TYPE & TWIST) – 4 Grooves, Right-hand twist, 1 turn in 24.8 cm (9.75 in)
LOAD – Spitzer-shaped full jacketed ball
BULLET DIAMETER – 7.87 mm (0.310 in)
BULLET WEIGHT – 13.15 g (203 grains)
MUZZLE VELOCITY – 723 m/s (2372 fps)
MUZZLE ENERGY – 3439 j (2537 ft/lb)
WEIGHT (EMPTY) – 27.67 kg (61 lb)
WEIGHT (LOADED) – 28.67 kg (63 lb 3 oz) Loaded with 30 rd feed strip loaded with 7.7 ball
WEIGHT (MOUNTED & LOADED) – 56.34 kg (124 lb 3 oz) On tripod, loaded with 30 rd feed strip loaded with 7.7 ball
WEIGHT (MOUNTED & LOADED) – 58.11 kg (128 lb 2 oz) On AA tripod with extension and AA sight, loaded with 30 rd feed strip loaded with 7.7 ball
TYPE OF MOUNT – Tripod
WEIGHT OF MOUNT – 27.67 kg (61 lb)
TYPE OF MOUNT – Tripod with Antiaircraft Extension and sights
WEIGHT OF MOUNT – 29.44 kg (64 lb 15 oz)
SIGHTS – Open, iron, adjustable, Front sight – Blade, Rear sight – Aperture, adjustable for range and windage, graduated from 300 to 2,700 meters (328 to 2947 yards)
OPTICAL SIGHT – Model 96 Telescopic sight
OPTICAL SIGHT WEIGHT – 0.48 kg (1 lb 1 oz)
OPTICAL SIGHT MAGNIFICATION – 4 Power
OPTICAL SIGHT FIELD OF VIEW – 10 degrees – 17.5 m @ 100 m (52.5 ft @100 yds)
EFFECTIVE RANGE – 1,372 m (1,500 yards)
OPERATION – Gas, fires from open bolt
TYPE OF FIRE – Full automatic
RATE OF FIRE – 200 rpm
CYCLIC ROF – 450 rpm
FEED DEVICE – 30-round brass feed strip
FEED DEVICE WEIGHT (EMPTY) – 0.17 kg (6 oz)
Ammunition Box for 20 Feed Strips – 1.6 kg (3 lb 5 oz),
FEED DEVICE WEIGHT (LOADED) – 1.0 kg (2 lb 3 oz) Feed strip loaded with 30 rounds 7.7 ball
Ammunition Case with 18 Feed Strips (LOADED) – 19.6 kg (43 lb 3 oz) 540 rounds
BASIC AMMUNITION LOAD – Six cases of 18 Feed strips each (3,240 rounds)
LOAD WEIGHT – 99.6 kg (219 lb 9 oz)
MANUFACTURER – Koishikawa Arsenal, Tokyo Army Arsenal Number One, Kokura Arsenal, Tokyo Gas & Electric, Hitachi