Colt Ar 15 A2 Gov T Carbine Serial Numbers

Colt Serial Number List and FAQ
Serial Number Prefix Model Name Sample Model
BD AR15A3 Tactical Carbine 6721
CC Colt Carbine R6520
CH Competition HBAR 6700
GC Government Carbine 6520
GS Governmodel Model Service 6550
MH Match HBAR 6601
ML Match Lightweight R6530
MT Match Target
SP Sporter SP1 or SP2
ST Sporter Target 6551
TA 9mm 6450 6430
TA: There are only around 10,000 TA model guns and less than 8000 without sear block.
USGI SERIAL NUMBER DATA BASE (serial numbers listed in chronological rather then numerical order):
101-14,484
1959-1963
US Air Force/Project AGILE/SEAL issue Colt's AR-15 Model 601, roll marked ARMALITE. Some sold commercially to police departments, small numbers to foreign militaries such as Malaya, India, Australia, Burma, and Singapore.
20,000-39,999
1963-1964
US Property marked AR-15 Colt's Model 02 issued to US Advisors in Vietnam, and US Air Force. Few hundred commercial/export examples were made that lack US Property markings.
40,000-49,999
1964
US Property marked US Air Force M16 Colt's Model 604.
50,000-199,999
1964-1965
US Property marked US Air Force M16 Colt's Model 604 & US Army XM16E1 Colt's Model 603.
14,500-14,916
1965
Commercial/export CAR-15 series and US Property marked GX series for S.A.W.S. contract (note, CAR-15 refers to a family of Colt's weapons, not just short ones).
15,000-19,999
1965
Commercial/export CAR-15 series.
200,000-202,446
1965
Commercial/export CAR-15 series.
202,447-379,353
1965
US Property marked US Air Force M16 Colt's Model 604, and a few commercial export models. There are also examples of commerical/export marked models using the 20X,XXX serial number range produced in the late 1960's.
400,000 series
1966-1973 or so
Only a few rifles/carbines made in this serial number range and known examples are spread out over several years of production. Zero US Property marked rifles have been observed. Highest know example is 418,XXX and dates from the early 1970's.
500,001-749,999
1966-1967
US Property marked XM16E1 Colt's and M16A1, both Colt Model 603. There are also a small number of US Air Force M16 Colt's Model 604 found in this serial number range. Serial numbers in this range were not run in order. M16A1's have been observed with serial numbers as low as 604,505, and XM16E1's have serial numbers as high as 741,12X.
750,000-752,443
1966
Experimental HBAR.
752,444-899,999
1967
US Property marked M16A1.
900,000 through 909,999
1966-1970
US Property marked Govt. Carbines.
910,000-919,999
Unconfirmed, only know of one Colt in this range, it is in US Air Force inventory, and I do not know the model number.
920,000-999,999
No known examples.
1,000,000-1,999,999
1968-1969
US Property marked Colt's M16A1
2,000,000-2,24X,XXX
1968-1971
US Property marked H&R M16A1.
3,000,000-3,469,217 (approximate)
1968-1971
US Property marked Hydramatic M16A1.
9,000,0000 series
1970's & 1980's
In general these are 1970's and early 80's 'A1' type 600 series commercial/export marked weapons. There are some exceptions, for example US Property marked Govt. Carbines.
AL prefix
1970
Lebanese contract rifles, some 14,000 made.
Note on 4,000,000 series Colt's, there are quite a few commercial/export marked rifles/carbines mixed in.
4,000,001-4,060,000
1970
US Air Force M16 Colt Model 604.
4,060,001-4,221,800
1970
US Property marked M16A1.
4,221,801-4,285,400
1970
US Air Force M16 Colt Model 604.
4,285,401-4,521,000
1970
US Property marked M16A1.
4,521,001-4,521,850
1970
US Air Force M16 Colt Model 604.
4,521,851-4,638, 400
1970
US Property marked M16A1.
4,638,401-4,643,400
1971
Model 613 for Malaysia.
4,643,401-4,701,400
1971
US Property marked M16A1.
4,701,401-4,701,900
1971
Model 613 Commando
4,701,901-4,844,400
1971
US Property marked M16A1.
4,844,401-4,849,400
1972
Model 613 for Taiwan.
4,849,401-4,926,000
1972
US Property marked M16A1.
4,926,001-4,928,000
1972
Model 613 for Philippines.
4,928,000-4,936,400
1972
US Property marked M16A1.
5,000,000-5,4X,XXX (app)
1973-1982
US Property marked M16A1 Colt's Model 603 (not aware of any Air Force M16 Colt Model 604's with serial numbers this high). Also some export/commercial models.
6,000,000-6,590,478 (approximate)
1983-1986
US Property marked M16A2 & US Property marked XM4 prototypes Colt's Model 720.
8,000,000 series
1980's
In general these are 700 series commercial/export marked models of the M16A2.
7,000,000-7,429,766 (approximate)
1988-2003
US Property marked FN M16A2. There are also Balimoy M16A1 lowers restamped A2 in this serial number range. These were used as replacement parts by Anniston.
W prefix
1994-current
US Property marked Colt's M4/A1 Carbine, Colt's Model 920/921.
A prefix
1990's on
900 series Commercial/export versions of the M4 Carbine.
10,000,000 serial number range
1997-
US Property marked Colt's/FN M16A4'