Admin 40 Report post Posted March 26, 2004 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/ Share this post Link to post Share on other sites
Admin 40 Report post Posted March 26, 2004 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 Share this post Link to post Share on other sites
Admin 40 Report post Posted April 3, 2004 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/ Share this post Link to post Share on other sites
psnnw3 0 Report post Posted July 7, 2006 I have a Orginal Colt R6721 from the Factory. I purchased it in August 1994. serial #000217 Share this post Link to post Share on other sites
Admin 40 Report post Posted September 4, 2008 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" Share this post Link to post Share on other sites
squawvally 0 Report post Posted December 23, 2010 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 Share this post Link to post Share on other sites
