Object Title

Centrefire automatic rifle - Colt Armalite Model 03 / 603 M16A1

Centrefire automatic rifle - Colt Armalite Model 03 / 603 M16A1

Date

about 1967

Object Number

PR.5446

Provenance

Gifted with the Pattern Room by the Ministry of Defence, August 2005

Physical Description

Standard M16A1 rifle fitted with M203 under barrel grenade launcher including the corresponding substitute upper handguard with flip-up 'leaf' pattern auxiliary sights. A set of quadrant sights with side-folding front post and rear aperture is affixed to the carrying handle. The latter is adjusted by pulling back a spring-loaded block on the side of the unit, allowing the sights to pivot up and down, the desired range being read off on the inscribed quadrant plate. Note that pistol grip is of early mottled type more common to Model 02 (602).

Techniques

Forging, Machining, Phosphating

Dimensions

BarrelLength20 in
BarrelLength508 mm
OverallLength38.8 in.
OverallLength986 mm
OverallWeight5 kg
OverallWeight11 lbs

Firearms/Artillery

Serial Number 776420

Calibre

5.56 mm

Inscriptions and Marks

Proof mark
British military proof mark - crossed pennants
Bolt Carrier Group
Etching
Proof mark
British military provisional proof mark - crown over crossed pennants over letter P
Barrel
Stamping
Maker's mark
COLT AR-15 PROPERTY OF U.S. GOVT. M16A1 CAL. 5.56 MM. COLT'S PATENT FIRE ARMS MFG. CO. HARTFORD, CONN. U.S.A.
Rifle lower receiver, left side
Stamping
Selector markings
SAFE SEMI AUTO
Lower receiver, left side
Stamping