CODE 03-132-988
NAME – Phase III Colt Advanced Combat Rifle with Duplex ammunition
NAME (NATIVE) – M16A2E1
COMMON NAMES – Colt ACR
COUNTRY OF ORIGIN – USA
DATE OF MANUFACTURE – 1988
CALIBER – 5.56x45mm Duplex
OVERALL LENGTH – 93.3 cm (36.75 in) Stock collapsed, 103.2 cm (40.63 in) Stock open)
BARREL LENGTH – 50.8 cm (20 in) without Muzzle Brake Compensator (MBC)
RIFLING (TYPE & TWIST) – 6 Groove, Right-hand twist, 1 turn in 17.8 cm (7 in)
LOAD – Colt/Olin ACR Duplex, two bullets both with Full metal jackets and steel core penetrator
BULLET DIAMETER – 5.69 mm (0.224 in)
BULLET WEIGHT – Leading bullet – 2.27 g (35 grains), trailing bullet – 2.14 g (33 grains)
MUZZLE VELOCITY – 884 m/s (2900 fps)
MUZZLE ENERGY – Leading bullet – 886 j (654 ft/lb), Trailing bullet 836 j (616 ft/lb)
WEIGHT (EMPTY) – 3.31 kg (7 lb 5 oz) without sights or magazine
WEIGHT (LOADED) – 3.81 kg (9 lb) with carry handle/sight assembly, loaded with 30 rounds 5.56 Duplex
WEIGHT (LOADED) – 4.43 kg (9 lb 12 oz) with optical sight, loaded with 30 rounds 5.56 Duplex
SIGHTS – Large sighting rib mounted on barrel for rapid target acquisition at close ranges. Sighting rib is level with top of handle/sight assembly when mounted. Removable iron sights on carrying handle assembly. Iron sights are open, adjustable, Front sight – Square post with tritium insert, adjustable for elevation zero, Rear sight – Leaf-type flip apertures, adjustable for windage, Battle aperture (short range) 0-200 meters (0-219 yards), Long range aperture adjustable from 300 to 800 meters in 100 meter increments (328 to 875 yards in 109 yards increments)
Handle/Sight assembly may be removed and replaced with optical sight.
HANDLE/SIGHT ASSEMBLY WEIGHT – 0.27 kg (10 oz)
OPTICAL SIGHT – Removable optical sight with tapered cross-hairs and tritum light source, 300 m (328 yards) zero at center, Stadia lines for 400, 500 and 600 meters (438, 547, and 656 yards). Optical sight mount adjustable for windage and elevation. Adjustable for range from 300 to 800 meters in 100 meter increments (328 to 875 yards in 109 yard increments)
OPTICAL SIGHT WEIGHT – 0.62 kg (1 lb 6 oz)
OPTICAL SIGHT MAGNIFICATION – 3.5 Power
OPTICAL SIGHT FIELD OF VIEW – 7.5 degrees – 13.11 m @ 100 m (39.3 ft @100 yds)
EFFECTIVE RANGE – 325 m (355 yards) with Duplex ammunition
OPERATION – Gas impingement
TYPE OF FIRE – Selective, semi and full automatic
RATE OF FIRE – 45 rpm Semi, 90 rpm Full automatic, 12 to 15 rpm sustained rate
CYCLIC ROF – 650 rpm
FEED DEVICE – 30 round aluminum magazine, double column, double feed
FEED DEVICE WEIGHT (EMPTY) – 30-rd – 0.110 kg (4 oz)
FEED DEVICE WEIGHT (LOADED) – 30 rd – 0.5 kg (1 lb 2 oz) with 30 rounds 5.56 Duplex
BASIC AMMUNITION LOAD – Seven 30-round magazines (210 rounds)
LOAD WEIGHT – 3.5 kg (7 lb 12 oz)
MANUFACTURER – Colt Manufacturing Company LLC, Hartford, Connecticut
STATUS – Developmental
SERVICE – Evaluation
