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Posted: 2/27/2006 12:54:06 PM EDT
[Last Edit: 3/17/2006 9:18:10 PM EDT by Ekie]
pre-Sept 1994

BD 000073 gray finish, CAF upper forge code, A-1 in a circle carry handle forge code, old style buttstock/nut/buffer, four position receiver extention?, mag fenced lower, small pivot pin hole, weep hole not drilled?, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, blue lable box, peel washer, no "T" numbers, this one is odd in that it has the more modern shaped lower forging used from late 2002 on

09-14-04 through May of 1995

BD 000589 I had a few of these in this range, both uppers and stripped lowers, gray finish, CAF upper forge code, A-1 in a circle carry handle forge code, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC, peel washer, no "T" numbers, bolts marked MP, and a C below that, uppers marked "4", not "M4"

BD 001742 gray finish, CAF upper forge code, carry handle forge code?, old style buttstock/nut/buffer, four position receiver extention?, mag fenced lower, small pivot pin hole, weep hole not drilled, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, blue lable box, peel washer, no "T" numbers

BD 002835, Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, large trigger pins, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, peel washer, no "T" numbers

June of 1995-2002

LBD 00114X gray finish, CAF upper forge code, carry handle forge code?, old style buttstock, modern M4 /nut/buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole not drilled, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, no pinned in sear block, LEO roll markings, blue lable box, peel washer?, "T" numbers?, barrel marked C MP 5.56 NATO 1/9 HBAR

LBD 001949 carbine is in Finland, and wears a short barrel

LBD 0026xx - Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, SP-1 type sear shelf, M4 ramps, LEO roll markings, no "T" numbers.

LBD 003536 Gray finish, C AF forge code, A-7 carry handle forge code, old style butt stock, modern M4 /nut/buffer/four position receiver extention, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, LEO roll markings, no "T" numbers, dimple of right side of take down pin

LBD 0045xx - Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, SP-1 type sear shelf, M4 ramps, LEO roll markings, no "T" numbers.

LBD 0101xx - Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers.

LBD 0137xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers.

LBD 0138xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers.

LBD 0151xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers.


mid 2002 to 2004

LBD 016XXX, lower only, black finish, mag fence, small pivot hole, weep hole & front takedown detent pin hole drilled, 2 piece screw type pivot pin, large FCG pins, notched hammer, unmachinned web sear block (not pinned in), roll marks COLT'S MFG. CO. INC., LEO RESTRICTED markings on right side of magwell.

LBD 0165XX looks blackish Grey, old style buttstock marked with 1 and N, modern M4 /nut/H buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, roll marked COLT'S MFG CO. INC, no pinned in sear block, LEO roll markings...

LBD 017485 black finish, CAF upper forge code, carry handle forge code?, modern M4 buttstock/nut/buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, looks like it is roll marked COLT DEFENSE, no pinned in sear block, LEO roll markings, blue lable box, crush washer, "T" numbers?, birth bag shows Dec 02

LBD 01XXXX lower only, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, roll marked COLT DEFENSE, no pinned in sear block, LEO roll markings

Upper only, upper black finish, Diemaco & Anchor Harvey (splintered 'A') forge marks, white T numbers, M4 mark above the gas tube hole, sideways 'V' stamp in front upper of ejection port, black color ejection port cover spring, anodized M4 ramp notches, A & B forge marks on the left side of the carry handle and crush washer.


2005

LBD 023518 black finish, upper forge code?, carry handle forge code?, modern M4 buttstock/nut/buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole drilled?, large trigger pins, SPORTER bolt carrier?, black extractor buffer and gold spring?, roll marked COLT DEFENSE, no pinned in sear block, LEO roll markings, blue lable box, crush washer, "T" numbers?, upper marked "M4"

LBD 023518 black finish, are Cerro/Diemaco upper forge code, modern M4 buttstock/nut/buffer/four position receiver extention, mag fenced lower, small pivot pin hole, roll marked COLT DEFENSE, no pinned in sear block, LEO roll markings, blue lable box.

LBD 028376 black finish, upper forge code?, carry handle forge code?, modern M4 buttstock/nut/buffer/four position receiver extention, mag fenced lower, factory push front pivot pin, large trigger pins, M16 bolt carrier?, black extractor buffer, and gold spring?, roll marked COLT DEFENSE, no pinned in sear block, LEO roll markings, crush washer, "T" numbers?, birth bag shows SEP 05
Link Posted: 2/27/2006 1:13:26 PM EDT
Link Posted: 2/27/2006 4:50:41 PM EDT
[Last Edit: 2/28/2006 4:37:04 AM EDT by YardDogOne]
BD 002835, Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, large trigger pins, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, peel washer, no "T" numbers
Link Posted: 2/28/2006 4:47:02 PM EDT
I purchased my lower only without buttstock from my local dealer on March 2005.

S/N: LBD 016XXX, black finish, mag fence, small pivot hole, weep hole & front takedown detent pin hole drilled, 2 piece screw type pivot pin, large FCG pins, notched hammer, unmachinned web sear block (not pinned in), roll marks COLT'S MFG. CO. INC., LEO RESTRICTED markings on right side of magwell.

I also purchased an upper half without BCG & CH from a class 3 machine gun dealer about the same time but I'm not sure if it was all original.

Upper black finish, Diemaco & Anchor Harvey (splintered 'A') forge marks, white T numbers, M4 mark above the gas tube hole, sideways 'V' stamp in front upper of ejection port, black color ejection port cover spring, anodized M4 ramp notches, A & B forge marks on the left side of the carry handle and crush washer.
Link Posted: 2/28/2006 5:03:36 PM EDT
[Last Edit: 2/28/2006 5:06:39 PM EDT by theshootersden]

Originally Posted By Ekie:

June of 1995 through mid 2002

LBD 00114X looks black?, CAF upper forge code, carry handle forge code?, old style buttstock, modern M4 /nut/buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole not drilled, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, no pinned in sear block, LEO roll markings, blue lable box, peel washer?, "T" numbers?, barrel marked C MP 5.56 NATO 1/9 HBAR


LBD 0165XX looks blackish Grey, old style buttstock marked with 1 and N, modern M4 /nut/H buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, roll marked COLT'S MFG CO. INC, no pinned in sear block, LEO roll markings...


mid 2002 to 2004

LBD 017485 black finish, CAF upper forge code, carry handle forge code?, modern M4 buttstock/nut/buffer/four position receiver extention, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, looks like it is roll marked COLT DEFENSE, no pinned in sear block, LEO roll markings, blue lable box, crush washer, "T" numbers?, birth bag shows Dec 02

Link Posted: 3/3/2006 3:46:11 PM EDT
[Last Edit: 3/3/2006 3:46:45 PM EDT by canters]
Originally Posted By Ekie:
pre-Sept 1994

"BD 000073 gray finish, CAF upper forge code, A-1 in a circle carry handle forge code, old style buttstock/nut/buffer, four position receiver extention?, mag fenced lower, small pivot pin hole, weep hole not drilled?, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, blue lable box, peel washer, no "T" numbers, this one is odd in that it has the more modern shaped lower forging used from late 2002 on"

I have one with a serial number just a few from this one. Looks like an A2 forging to me.

Link Posted: 3/3/2006 3:54:24 PM EDT

Originally Posted By canters:
Originally Posted By Ekie:
pre-Sept 1994

"BD 000073 gray finish, CAF upper forge code, A-1 in a circle carry handle forge code, old style buttstock/nut/buffer, four position receiver extention?, mag fenced lower, small pivot pin hole, weep hole not drilled?, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, blue lable box, peel washer, no "T" numbers, this one is odd in that it has the more modern shaped lower forging used from late 2002 on"

I have one with a serial number just a few from this one. Looks like an A2 forging to me.





Here it is, wierd huh?

Link Posted: 3/3/2006 4:39:02 PM EDT

Originally Posted By Ekie:

Originally Posted By canters:
Originally Posted By Ekie:
pre-Sept 1994

"BD 000073 gray finish, CAF upper forge code, A-1 in a circle carry handle forge code, old style buttstock/nut/buffer, four position receiver extention?, mag fenced lower, small pivot pin hole, weep hole not drilled?, large trigger pins, SPORTER bolt carrier?, blue extractor buffer?, roll marked COLT'S MFG CO. INC, pinned sear block on both sides, no LEO roll markings, blue lable box, peel washer, no "T" numbers, this one is odd in that it has the more modern shaped lower forging used from late 2002 on"

I have one with a serial number just a few from this one. Looks like an A2 forging to me.





Here it is, wierd huh?

img.photobucket.com/albums/0603/Ekie12091941/BD000073.jpg



I will look at mine over the weekend to compare. I had forgotten what a nice looking gun that was for that Colt era.
Link Posted: 3/8/2006 6:06:35 AM EDT
[Last Edit: 3/9/2006 5:02:35 PM EDT by XM777]
LBD0026xx - Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, SP-1 type sear shelf, M4 ramps, LEO roll markings, no "T" numbers. [ETA] Barrel Date - 11/96, Peel Washer.

LBD0045xx - Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, SP-1 type sear shelf, M4 ramps, LEO roll markings, no "T" numbers. [ETA] Barrel Date - 02/98, Peel Washer.

LBD0101xx - Gray finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, no weep hole, no pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers. [ETA] Barrel Date - 03/00, Peel Washer.

LBD0137xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers. [ETA] Barrel Date - 03/02, Peel Washer.

LBD0138xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers. [ETA] Barrel Date - 03/02, Peel Washer.

LBD0151xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers.

LBD0153xx - Black finish, C AF forge code, old style butt stock, mag fenced lower, small pivot hole, weep hole, pivot pin detent, large trigger pins, roll marked COLT'S MFG CO. INC, Web type sear shelf, M4 Ramps, LEO roll markings, no "T" numbers.
Link Posted: 3/8/2006 6:20:28 AM EDT
tag
Link Posted: 3/8/2006 7:04:59 AM EDT
[Last Edit: 3/8/2006 7:06:06 AM EDT by Ekie]
Got them in there, and wow, this is the first one of these data bases were about half the entries were someone else's work, good show.

Got a couple of questions, on these two there is no pinned in block, and no "web"?:

LBD0026xx

LBD0045xx

Do you have access to any of these? If we could get some barrel dates, then I can break the years out by serial numbers like on some of the other data bases.
Link Posted: 3/8/2006 7:18:53 AM EDT
[Last Edit: 3/8/2006 7:29:26 AM EDT by XM777]
This is a pic of LBD0026xx

SP-1 type sear shelf. RDIAS drops right in.

Will check barrel dates and update my post later.

Link Posted: 3/8/2006 7:25:19 AM EDT
[Last Edit: 3/8/2006 7:28:32 AM EDT by Ekie]

Originally Posted By XM777:
This is a pic of LBD0026xx

SP-1 type sear shelf. RDIA drops right in.

Will check barrel dates and post info later.

img490.imageshack.us/img490/1345/colt6721searblock7yy.th.jpg</a>



That is pretty slick, there is another data base with some Carbines like that, think it was the 6520's? Am starting to get them all mixed up in my head.

Yes, if you have the time please do check barrel dates, then I can break out the years 1995-2001.

You might also check the flash hider, these should be all timed with silver peel washers, rather then the later blued crush washer?
Link Posted: 3/8/2006 11:00:12 AM EDT

Originally Posted By XM777:
This is a pic of LBD0026xx

SP-1 type sear shelf. RDIAS drops right in.

Will check barrel dates and update my post later.

img490.imageshack.us/img490/1345/colt6721searblock7yy.th.jpg



I did not know any 6721s were out there without a sear block or web. Are the FGP large or mil spec?
Link Posted: 3/8/2006 11:18:11 AM EDT

Originally Posted By canters:

Originally Posted By XM777:
This is a pic of LBD0026xx

SP-1 type sear shelf. RDIAS drops right in.

Will check barrel dates and update my post later.

img490.imageshack.us/img490/1345/colt6721searblock7yy.th.jpg</a>



I did not know any 6721s were out there without a sear block or web. Are the FGP large or mil spec?



They have large trigger/hammer pins. Seems there was a "transitional period" between the two features. Would guess Colt ran of blocks at some point, and then decided later to machine the lower different.
Link Posted: 3/8/2006 1:00:44 PM EDT

Originally Posted By canters:

Originally Posted By XM777:
This is a pic of LBD0026xx

SP-1 type sear shelf. RDIAS drops right in.

Will check barrel dates and update my post later.

img490.imageshack.us/img490/1345/colt6721searblock7yy.th.jpg</a>



I did not know any 6721s were out there without a sear block or web. Are the FGP large or mil spec?



Me neither... Heck, I didn't even know that they are out there with the pinned steel sear block until Ekie posted pics of one...
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