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Colt Serial Number List And FAQ

colt serial number

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#1 Admin

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Posted 26 March 2004 - 03:44 PM

Colt Serial Number List and FAQ


Colt 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 Cot guns and less than 8000 without sear block.


Year Serial Number Range

1963 SP00001-SP00023**
1964 SP00101
1965 SP02501
1966 SP05600
1967 SP08250
1968 SP10750
1969 SP14000-SP14653
1970 SP15001-SP15473
1971 SP16001
1972 SP19401
1973 SP24201
1974 SP32601
1975 SP43801
1976 SP55301
1977 SP67651
1978 SP83400
CC001616 and Below
CH019500 and Below
GC018500 and Below
LH011326 and Below
MH086020 and Below
NL004800 and Below
SL027246 and Below
SP360200 and Below
ST038100 and Below
TA10100 and Below
BD000134 and Below (AR-15A3 Tactical Carbine - very rare model)
MT00001 and Above POST BAN
BK000001and Above (CAR-A3) POST BAN
CST000001 and Above (Began Late 1997 Production) POST BAN
CMH000001 and Above POST BAN
CCH010000 and Above - Post Ban MT6700, MT6700C and MT6700CH series, 1998 production POST BAN

Serial Number Information Courtesy Geremy Chubbuck

ALL COLT SERIAL NUMBERS SHOULD BE VERIFIED FROM THE MANUFACTURER PRIOR TO ANY PURCHASE OR ASSEMBLY. Do not rely on this data only, call the manufacturer for details!

New URL: http://www.hk94.com/...r-list-and-faq/
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#2 Admin Re: Colt Serial Number List And FAQ

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Posted 26 March 2004 - 04:45 PM

Colt Model Numbers


by Michael Jones:

Rxxxx =
'pre-ban' configuration (bayo lug, flash suppresor; 'transition models' might only have flash suppresors and are probably 'blocked')

MTxxxx =
'post-ban' configuration (fixed stock, NO bayo lug, NO flash suppressor)


xxxxdc =
upper conversion kits

xxxxdh =
Delta HBAR


R6000
AR15, 20", 1in12 twist, several flash suppresors, bayo lug

R6001
AR15 Carbine, 16" standard, 1in12 twist, collapsable stock


R6222
.22 conversion kit


R6420
AR15a2 Carbine, 16" standard, 1in7 twist, a2 birdcage, bayo lug

R6430
Sporter Lightweight, 9mm, 16" standard, 1in10 twist

R6430dc

MT6430
post-ban 6430 (stock???)

R6450
Sporter Lightweight, 9mm carbine, fixed stock

R6500
AR15a2, 20" standard, 1in7 twist, a2 birdcage, bayo lug

R6510
AR15a2, .222 cal, 20" standard

R6520
AR15a2 Government Model Carbine, 16" lightweight, 1in7 twist, a2 birdcage, bayo lug, collapsable stock

R6520dc

R6530
Sporter Lightweight, 16" lightweight, 1in7 twist, a2 birdcage

R6530dc

MT6530
post-ban 6530

R6550
AR15a2 Government Model, 20" standard, 1in7 twist, a2 birdcage, bayo lug

R6550cc
same as 6550 with Z-Coat green tiger stripe camouflage finish, matching soft case

R6550k
Sporter Target, 6550 without bayolug, with 6222 .22 conversion kit

R6551
Sporter Target, same as 6550k without .22 conversion kit

R6551dc

MT6551
post-ban 6551

R6600
AR15a2 HBAR, 20" HBAR, 1in7 twist, a2 birdcage, bayo lug

R6600dh
AR15a2 Delta HBAR, same as 6600 + 3x9 Tasco, ARMS mount, cheekpiece, hardcase

R6600k
Sporter Match HBAR, same as 6600 without bayolug, with 6222 .22 conversion kit

R6601
Sporter Match HBAR, same as 6600k without conv.kit

R6601dc

R6601dh
Sporter Match Delta HBAR, same as 6601 + 3x9 Tasco, ARMS mount, cheekpiece, hardcase

MT6601
post-ban 6601

AR6620dc
M4 upper conv.kit, 16" standard, 1in7 twist, a2 birdcage, bayo lug, side sling adaptor

NOTE 67xx series barrels are NOT chrome lined unless noted

R6700
Sporter Competition HBAR, 20" HBAR, 1in9 twist, flattop

R6700ch
Sporter Competition HBAR, range selected, chosen for superior accuracy

R6700dc

R6700s
Sporter Competition HBAR, same as 6700 + 3x9x40mm Tasco and carry handle

MT6700
post-ban 6700

MT6700dc

R6701
Sporter Competition HBAR, lmtd.ed. 2000 rifles(???), 1in9 twist, flattop

R6721
AR15a3 Tactical Carbine, 16" HBAR chrome lined, 1in9 twist, flattop, a2 birdcage, bayo lug, collapsable stock, 134 manufactured pre-ban

R6721dc

R6724
Sporter Competition HBAR, 24" HBAR, 1in9 twist, flattop, shaved front sight

R6724dc
upper conv.kit

R6731
AR15a3 Competition HBAR, 16" HBAR, 1in9 twist, flattop, a2 birdcage

R6731dc

MT6731
post-ban 6731

MT6731dc

R6750
Sporter Competition HBAR, 20" Extra Heavy HBAR, 1in7 twist(???), special handguard, bipod

R6821dc
upper conv.kit, 7.62x39, 16" HBAR, 1in12 twist, flattop, a2 birdcage

R6830
Sporter Lightweight, 7.62x39, 16" lightweight, 1in12 twist, a2 birdcage

R6830dc

MT6830
post-ban 6830

R6850dc
upper conv.kit, 7.62x39, 16" HBAR, 1in12 twist, flattop, a2 birdcage

R6851dc
upper conv.kit, 7.62x39, 20" HBAR, 1in12 twist, flattop, a2 birdcage


R6900
???, 20" HBAR, 1in9 twist, a2 birdcage

R6900dc
upper conv.kit
shouldn't this be MT6900dc?

MT6900
upper conv.kit, 20" HBAR, 1in9 twist
is there an R6920 complete rifle? LEO/Military only?

AR6920dc
M4 upper conv.kit, 16.1" standard, 1in7 twist, flattop, a2 birdcage, bayo lug, carry handle, side sling adaptor

RO6920dc
M4 upper conv.kit, 14.5" standard, 1in7 twist, flattop, a2 birdcage, bayo lug, carry handle, side sling adaptor
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#3 Admin Re: Colt Serial Number List And FAQ

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Posted 03 April 2004 - 01:28 PM

Colt Commercial Variants AR-15 and M-16 Rifles

Excellent resource for identification of Colt rifles with Model Number, Model Name, Caliber, Barrel Length, Barrel Contour, Barrel Twist, Weight, Forward Assist, Bayonet Lug, Case Deflect, Lower receiver style, Rear Sight, Grip, Flash Hider, Buttstock type, Pull, Barrel Slipring, Handguard, Fire Control, Cyclic rate (rpm).

http://www.biggerham.../ar15/variants/
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#4 psnnw3 Re: Colt Serial Number List And FAQ

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Posted 06 July 2006 - 10:55 PM

I have a Orginal Colt R6721 from the Factory. I purchased it in August 1994. serial #000217
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#5 Admin Re: Colt Serial Number List And FAQ

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Posted 04 September 2008 - 08:29 AM

Update: More data on M16 serial numbers, manufactureres, and dates.

"That data base from Colt and printed in SAR contains enough typos and errors to be close to worthless to all but the most learned student.

Here is an updated/expanded/corrected version:

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"
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#6 squawvally Re: Colt Serial Number List And FAQ

squawvally

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Posted 22 December 2010 - 08:14 PM

I have a Colt AR15 6920, serial number LE053399 and I can't find it anywhere in the Serial Number List. Can you tell me when it was manufactured?

Don Phillips
squawvally@aol.como
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