Colt Model Numbers


by Michael Jones:

Comments, Questions and Information are very welcome. Thanks again to everyone that gave me snippets. If you have one of the models on this list, (or a new one to add) please let me know what is stamped on it, especially the lower. If any information presented here is found to be incorrect or you have additional information to contribute, please contact me via E-Mail mjones@hughes.net and I will update and re-issue the list.
  • 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
    NOTE67xx 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

    Send Mail to Michael 1