CODE 03-132-988

NAME – Phase III Colt Advanced Combat Rifle

NAME (NATIVE) – M16A2E1

COMMON NAMES – Colt ACR

COUNTRY OF ORIGIN – USA

DATE OF MANUFACTURE – 1988

CALIBER – 5.56x45mm Nato

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 – M855 Full metal jacket with steel core penetrator

BULLET DIAMETER – 5.69 mm (0.224 in)

BULLET WEIGHT – 4.02 g (62 grains)

MUZZLE VELOCITY – 948 m/s (3110 fps)

MUZZLE ENERGY – 1806 j (1332 ft/lb)

WEIGHT (EMPTY) – 3.31 kg (7 lb 5 oz) without sights or magazine

WEIGHT (LOADED) – 4.06 kg (8 lb 15 oz) with carry handle/sight assembly, loaded with 30 rounds M855 Ball

WEIGHT (LOADED) – 4.41 kg (9 lb 12 oz) with optical sight, loaded with 30 rounds M855 Ball

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 – 800 m (875 yards)

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 – 0.48 kg (1 lb 1 oz) with 30 rounds M855 Ball

BASIC AMMUNITION LOAD – Seven 30-round magazines (210 rounds)

LOAD WEIGHT – 3.36 kg (7 lb 7 oz)

MANUFACTURER – Colt Manufacturing Company LLC, Hartford, Connecticut

STATUS – Developmental

SERVICE – Evaluation