CODE 03-132-963
NAME – M16A1 (XM16E1)
COUNTRY OF ORIGIN – USA
DATE OF MANUFACTURE – 1963
CALIBER – 5.56x45mm (.223)
OVERALL LENGTH – 99 cm (39 in)
BARREL LENGTH – 50.8 cm (20 in) without flash suppressor, 53.3 cm (21 in) with flash suppressor
RIFLING (TYPE & TWIST) – 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 – 991 m/s (3250 fps)
MUZZLE ENERGY – 1749 j (1290 ft/lb)
WEIGHT (EMPTY) – 3.18 kg (7 lb) without sling
WEIGHT (LOADED) – 3.61 kg (7 lb 15 oz) with sling, loaded with 20 rds M193 Ball
WEIGHT (MOUNTED) – 3.86 kg (8 lb 8 oz) with bipod, sling, loaded with 20 rds M193 Ball
TYPE OF MOUNT – Removable bipod
WEIGHT OF MOUNT – 0.25 kg (9 oz)
WEIGHT OF SLING – 0.11 kg (4 oz)
SIGHTS – Open, iron, adjustable, Front sight – Round post, adjustable for zero range, Rear sight – Leaf-type with apertures for 0-300 m (0-328 yards) and 300-500 m (328 to 547 yards)
EFFECTIVE RANGE – 500 m (547 yards)
OPERATION – Gas impingement
TYPE OF FIRE – Selective, Semi and Full automatic
RATE OF FIRE – 45-65 rpm Semi, 150-200 rpm Full automatic, 12-15 rpm sustained rpm
CYCLIC ROF – 700-800 rpm
FEED DEVICE – 20-round removable aluminum box magazine, double column, double feed
FEED DEVICE WEIGHT (EMPTY) – 0.080 kg (2.8 oz)
FEED DEVICE WEIGHT (LOADED) – 0.32 kg (11 oz) loaded with 20 rounds M193 Ball
BASIC AMMUNITION LOAD – Six 20-round magazines (120 rounds)
LOAD WEIGHT – 1.92 kg (4 lb 4 oz)
MANUFACTURER – Colt Patent Fire Arms, Hartford, Connecticut
STATUS – Out of production
SERVICE – US Air Force, US military allies
30 round magazines were perfected and began being issued to the troops in volume in 1970. The weight of the empty 30-round magazine is 0.110 kg (3.92 oz [4 oz])
