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Posted: 2/21/2006 6:36:29 PM EDT
[Last Edit: 4/10/2006 7:17:15 AM EDT by Ekie]
Post info on yours and will add it.

1988-1989

GC 000550 can't make out the upper forge code, old style receviver extention nut/receiver extention/buttstock, slab side lower, small trigger pins, SP1 bolt carrier, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block

GC 000XXX can't make out the upper forge code, old style receviver extention nut/receiver extention/buttstock, slab side lower, small trigger pins, SP1 bolt carrier, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block, this one has a replacement grip

GC 000723 can't make out the upper forge code, old style receviver extention nut/receiver extention/buttstock, slab side lower, small trigger pins, SP1 bolt carrier, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block

GC 0054XX CM upper forge code, old style receiver extension nut/buttstock/nut, mag fenced lower, big pivot pin, small trigger pins, M16 bolt carrier, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block, barrel marked C MP 5.56 NATO 1/7 with a "2" at the front and the "0" for chromed lined at the nut, M4 feed ramps with the barrel extension marked but not the receiver

GC 0055XX CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, big pivot pin, small trigger pins, SP1 bolt carrier, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block

1990

GS 005600 or GS 005500 missmarked Carbine, only picture of roll marks, can see that it is a slab side lower

GC 006XXX can't make out the upper forge code, old style receviver extention nut/receiver extention/buttstock, slab side lower, trigger pin size (?), SP1 bolt carrier(?), blue extractor buffer, roll marked COLT'S MFG CO. INC., no sear block, green label box

GC 0065XX M4 marked barrel extention, M4 ramps in upper

GC 0066XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, slab side lower, small trigger pins, SP1 bolt carrier(?), blue extractor buffer, roll marked COLT'S MFG CO. INC., no sear block, green label box

GC 0067XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, slab side lower, small trigger pins, SP1 bolt carrier(?), blue extractor buffer, roll marked COLT'S MFG CO. INC., no sear block, green label box, manual dated 1990

GC 0068XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, buttstock not marked, slab side lower, small trigger pins, SP1 bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., no sear block, green label box, no M4 feed ramps, barrel marked C MP 5.56 NATO 1/7, peel washer

GC 007786 CM upper forge code, old style receviver extention nut/receiver extention/buttstock, , slab side lower, small trigger pins, SP1 bolt carrier ?, blue extractor buffer?, roll marked COLT'S FIREARMS DIVISION no sear block, peel washer

1991-1992

GC 00XXXX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, big pivot pin, trigger pin size (?), SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., no pinned in sear block

GC 0087XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, big pivot pin, trigger pin size (?), SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on right side

1993- Sept 1994

GC 010272 this is a lower only, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled, trigger pin size (?), marked COLT'S MFG CO. INC., sear block pinned in on right side

GC 01XXXX CMB upper forge code, mag fenced lower, small pivot pin hole, weep hole drilled?, large trigger pins, roll marked COLT'S MFG CO. INC., extention and upper marked 4, has M4 feed ramps

GC 015305 CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on right side, barrel marked C MP 5.56 NATO 1/7

GC 015XXX CMB upper forge code, roll marked COLT'S MFG CO. INC., has real M4 ramps, not the dremel jobs, "4" stamped about an inch or so above the gas tube, the barrel extension has the "4" on it as well, O stamped above chamber, no number stamped in barrel behind handguard cap

GC 0164XX CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on right side, blue label box

GC 165XX looks like sear block is pinned on right side only

GC 016614 CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled (?), large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on right side, this one has a replacement flash suppressor and grip

GC 0172XX CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in right side, M4 feed ramps, barrel marked C MP 5.56 NATO 1/7

GC 017740 CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, no weep hole, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on both sides

GC 017774 CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, no weep hole, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on both sides

GC 018500 CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, no weep hole, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in on both sides

Sept 1994-May 1995

GC 0193XX small pivot pin hole, no weep hole, large trigger pins (lower only)

GC 02091X upper forge code? old style receiver extension nut/buttstock?, new four position receiver extension, mag fenced lower, small pivot pin hole, weep hole drilled?, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned on both sideS?, M4 feed ramps, barrel marked C MP 5.56 NATO 1/7 and 02/95

GC 021031 an M4gery conversion, look like it has a sear block pinned in on both sides

June 1995-1997

LGC 003075 CMB upper forge code, old style buttstock, M4 receviver extention/nut/buffer, mag fenced lower, small pivot pin hole, no weep hole, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., no pinned sear block, blue label box, LEO roll markings, blue label, bolt has white paint mark, and carrier has shrouded firing pin, don't know if this bolt group is original (this particular Carbine has had the buttstock replaced with a modern M4)

1998-2001

LGC 017XXX black finish, forge code?, old style buttstock, M4 receviver extention/nut/buffer, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier, extractor buffer color?, roll marked COLT'S MFG CO. INC, no pinned sear block, blue label box, LEO roll markings,

2002-2004

LGC 0XXXXX black finish, key hole forge code?, M4 receviver extention/nut/buffer & buttstock, mag fenced lower, factory front push pin, large trigger pins, bolt carrier?, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, blue label box, crush washer for flash, LEO roll markings, large reinforced lower receiver ring for the extention, barrel marked C MP 5.56 NATO 1/7

2005-2006

LGC 030000 Diemaco marked carrier, made in June of 2005

LGC 033686 black finish, forge code?, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, bolt carrier?, black extractor buffer with gold spring?, roll marked?, no pinned sear block, crush washer for flash, LEO roll markings

LGC 0342XX black finish, forge code forge marking is a capital "C" with an odd lopsided gemoetric figure, not the Cerro mark, that's for sure, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, M16 bolt carrier, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, crush washer for flash, LEO roll markings, barrel marked C MP 5.56 NATO 1/7, M4 feed ramps

LGC 034XXX black finish, forge code?, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, M16 bolt carrier, black extractor buffer with gold spring?, roll marked?, no pinned sear block, crush washer for flash, LEO roll markings, barrel dated 04/05

LGC 03496X COLT DEFENSE, LEO roll markings. M4 feed ramps

LGC 03498X keyhole forge code, COLT DEFENSE, LEO roll markings M4 feed ramps

LGC 03500X black finish, Cerro Forge Key Hole marked upper, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, M16 bolt carrier, bolt marked MPC, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, crush washer for flash, LEO roll markings, large reinforced lower receiver ring for the extention, M4 feed ramps, receiver ramp bare, black ejection port spring, barrel dated 06/05, hammer marked C

LGC 035006 black finish, forge code?, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, bolt carrier?, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, crush washer for flash, LEO roll markings, large reinforced lower receiver ring for the extention

LGC 036700 black finish, forge code?, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, bolt carrier?, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, crush washer for flash, LEO roll markings, large reinforced lower receiver ring for the extention

LGC 036941 black finish, forge code?, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, bolt carrier?, black extractor buffer with gold spring?, roll marked?, no pinned sear block, crush washer for flash, white sticker box, LEO roll markings, large reinforced lower receiver ring for the extention

LGC 036966 black finish, key hole forge code?, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, bolt carrier?, black extractor buffer with gold spring?, roll marked?, no pinned sear block, crush washer for flash, LEO roll markings, large reinforced lower receiver ring for the extention

LGC 03XXX black finish, key hole forge code, M4 receviver extention/nut/buttstock/buffer, mag fenced lower, factory front push pin, large trigger pins, bolt carrier marked C, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, crush washer for flash, LEO roll markings, large reinforced lower receiver ring for the extention, barrel marked C MP 5.56 NATO 1/7, M4 feed ramps but receiver ramps are in the white, no 4 marking on upper or extention, Diemaco bolt marked MPD 3021
Link Posted: 2/21/2006 7:12:39 PM EDT
Here's my info:


LGC 03500x


M4 ramps & extension. Ramps on upper are NOT anodized.


Barrel has stamping near the front sight base that reads "06/05"...which I interpret to be June, 2005.


Cerro Forge Key Hole marked upper.


No "C" marking on upper receiver.


Has black-colored Colt ejection port cover spring.


MPC marked bolt, M16 carrier.


H-buffer.


Castle nut is large, and is STAKED to the receiver extention plate.


Extractor does have an insert, can't remember what color though...

Link Posted: 2/21/2006 7:17:08 PM EDT

Originally Posted By Dont-Tread-On-Me:
Here's my info:


LGC 03500x


M4 ramps & extension. Ramps on upper are NOT anodized.


Barrel has stamping near the front sight base that reads "06/05"...which I interpret to be June, 2005.


Cerro Forge Key Hole marked upper.


No "C" marking on upper receiver.


Has black-colored Colt ejection port cover spring.


MPC marked bolt, M16 carrier.


H-buffer.


Castle nut is large, and is STAKED to the receiver extention plate.


Extractor does have an insert, can't remember what color though...




Is this right?

LGC 03500X black finish, Cerro Forge Key Hole marked upper, M4 receviver extention/nut & buttstock, mag fenced lower, factory front push pin, large trigger pins, M16 bolt carrier, bolt marked MPC, black extractor buffer with gold spring?, roll marked COLT DEFENSE, no pinned sear block, crush washer for flash, LEO roll markings, H buffer, large reinforced lower receiver ring for the extention, M4 feed ramps, receiver ramp bare, black ejection port spring, barrel dated 06/05

Link Posted: 2/21/2006 7:30:53 PM EDT
Yes, that info is correct.

Also, like the other descriptions, my barrel reads "C MP 5.56 NATO 1/7". Stock is M4, with 4-positions. Hammer has "C" marking on it. Flashhider had a crushwasher yes (swapped for a Phantom though)

I no longer own the A2 upper. I swapped it for an M4 ramped "A3"...The lower says:


Link Posted: 2/21/2006 7:36:39 PM EDT
Got it in there, thanks.
Link Posted: 2/21/2006 7:38:59 PM EDT
[Last Edit: 2/21/2006 8:26:53 PM EDT by mm34b]
I'm unclear on which model(s) you want to include. Your current list seems to include all of these different models. Is that your intent?

Gov't Carbine (R6520)
Serial Prefix - GC
Discontinued in 1994

Gov't Carbine (AR6520)
Serial Prefix - LGC
Still in Production

Colt Carbine (R6521)
Serial Prefix - CC
Discontinued in 1988

Gov't Model (R6550)
Serial Prefix - GS
Discontinued in ?
Not a Carbine
Link Posted: 2/21/2006 8:38:15 PM EDT

Originally Posted By mm34b:
I'm unclear on which model(s) you want to include. Your current list seems to include all of these different models. Is that your intent?

Gov't Carbine (R6520)
Serial Prefix - GC
Discontinued in 1994

Gov't Carbine (AR6520)
Serial Prefix - LGC
Still in Production

Colt Carbine (R6521)
Serial Prefix - CC
Discontinued in 1988

Gov't Model (R6550)
Serial Prefix - GS
Discontinued in ?
Not a Carbine



6520's only, for this thread any how. If there are any non 6520's in the data base let me know.
Link Posted: 2/22/2006 2:38:04 AM EDT

Originally Posted By Dont-Tread-On-Me:





Am I the only one who thinks this roll-mark is the AR15 personified?

I suppose the 6721 is in the same company

(Short of an M4, or F/A model)
Link Posted: 2/22/2006 3:30:06 AM EDT

Originally Posted By redfisher:

Originally Posted By Dont-Tread-On-Me:

ranger.zftp.com/KP/ebay/6520left.jpg




Am I the only one who thinks this roll-mark is the AR15 personified?

I suppose the 6721 is in the same company

(Short of an M4, or F/A model)



Actually I would rank the 6721 lower first and the 6520 lower second but I'm right there with ya
Link Posted: 2/22/2006 3:48:21 AM EDT
Can you provide a checklist of the specific information you're looking for? I have two 6520s, one with the upper swapped out for a flattop, and would be happy to check the various markings and such if somebody can tell me exactly what I'm supposed to be looking for.
Link Posted: 2/22/2006 4:03:36 AM EDT
[Last Edit: 2/22/2006 4:04:44 AM EDT by ranchhand]
I had 5 LGC 6520s in the 34k range. All were received NIB. Finish ranged from perfect to some with ugly blotches, pits,bumps and spots. I was shocked to see some of these rifles when we unboxed them. I had no idea they would ship poorly finished rifles.

All had M16 carriers.

All had aluminum bridge in place of sear block

All dated 04/05

Sorry I can't give more detailed info, I don't have any of the rifles anymore.
Link Posted: 2/22/2006 4:57:25 AM EDT
[Last Edit: 2/23/2006 9:45:31 AM EDT by SPTiger]
I bought my Colt Gov't. Carbine new in June 1995, but it is a pre-Sept. 94 carbine.

I added a few pics, and one of them is rather large to show detail.
GC 0172XX

M4 feedramps

right-side pinned receiver block

Here's a pic of the markings on the FSB.









This pic shows a small box stamping as well as what looks like a triangle stamping that wasn't struck hard enough to show the whole triangle.
Link Posted: 2/22/2006 5:04:03 AM EDT
[Last Edit: 2/22/2006 5:04:27 AM EDT by Spooge5150]
Ekie,

My GC is in the 0054XX range.

A2 large pin lower and upper. CM on the upper.

Small FC pins.

No sear block.

Link Posted: 2/22/2006 6:11:44 AM EDT
Link Posted: 2/22/2006 7:12:21 AM EDT
[Last Edit: 2/22/2006 7:13:46 AM EDT by desertmoon]
Mine, purchased in the spring of last year ( 05 ):

SN: LGC 0342XX

Stampings: (Rampant Colt trade mark ) COLT

AR-15A2
Gov't Carbine
CAL. 223
SER. LGC 0342XX


COLT DEFENSE
HARTFORD, CONN.
------U.S.A.-------

right side:

RESTRICTED
MILITARY/GOVERNMENT
LAW ENFORCEMENT/EXPORT
USE ONLY


A2 upper, 16 inch pencil barrel with 5.56 NATO 1/7 twist stamping, CAR-15 handguards and bayonet lug, standard A2 non vented FH

Contractor forge marking is a capital "C" with an odd lopsided gemoetric figure, not the Cerro mark, that's for sure

M4 feed ramps

Current Standard M4, 4 position stock with the current style crenelated castle nut



Link Posted: 2/22/2006 3:07:25 PM EDT
.
Link Posted: 2/23/2006 8:18:10 AM EDT
[Last Edit: 2/23/2006 8:19:36 AM EDT by Ekie]
OK, added more. Have a few questions on these:


Originally Posted By in_burrito:
Can you provide a checklist of the specific information you're looking for? I have two 6520s, one with the upper swapped out for a flattop, and would be happy to check the various markings and such if somebody can tell me exactly what I'm supposed to be looking for.



I would have specific questions if I knew what serial number range yours are.


Originally Posted By Spooge5150:
Ekie,

My GC is in the 0054XX range.

A2 large pin lower and upper. CM on the upper.

Small FC pins.

No sear block.




I added yours to read like this:

GC 0054XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, big pivot pin, small trigger pins, SP1 bolt carrier, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block

Is that correct?

Have a few question, was hoping you could go through it and check the following:

M4 ramps?
front of receiver marked M4, 4, or nothing?
Barrel marked C MP 5.56 NATO 1/7?
No marking on the barrel extention (need a flash light to check)?
Has a two digit code under the guards behind the FSB like this:




Originally Posted By SPTiger:
I bought my Colt Gov't. Carbine new in June 1995, but it is a pre-Sept. 94 carbine.

I added a few pics, and one of them is rather large to show detail.
GC 0172XX

M4 feedramps

right-side pinned receiver block

Here's a pic of the markings on the FSB.
img238.imageshack.us/img238/9804/6520fsb5eh.jpg

img110.imageshack.us/img110/6250/6520l3co.jpg

img238.imageshack.us/img238/2789/6520r16bl.jpg

img128.imageshack.us/img128/3104/6520r26tz.jpg
This pic shows a small box stamping as well as what looks like a triangle stamping that wasn't struck hard enough to show the whole triangle.



I added yours like this, might check and see if that is correct:

GC 0172XX CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in right side, M4 feed ramps

Also have a few questions about yours:

M4 ramps?
front of receiver marked M4, 4, or nothing?
Barrel marked C MP 5.56 NATO 1/7?
No marking on the barrel extention (need a flash light to check)?
Has a two digit code under the guards behind the FSB like this:



Has an O stamped like this:






Link Posted: 2/23/2006 9:47:41 AM EDT
[Last Edit: 2/23/2006 9:50:55 AM EDT by SPTiger]

Originally Posted By SPTiger:
I bought my Colt Gov't. Carbine new in June 1995, but it is a pre-Sept. 94 carbine.

I added a few pics, and one of them is rather large to show detail.
GC 0172XX

M4 feedramps

right-side pinned receiver block

Here's a pic of the markings on the FSB.
img238.imageshack.us/img238/9804/6520fsb5eh.jpg

img110.imageshack.us/img110/6250/6520l3co.jpg

img238.imageshack.us/img238/2789/6520r16bl.jpg

img128.imageshack.us/img128/3104/6520r26tz.jpg
This pic shows a small box stamping as well as what looks like a triangle stamping that wasn't struck hard enough to show the whole triangle.



I added yours like this, might check and see if that is correct:

GC 0172XX CMB upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, small pivot pin hole, weep hole drilled, large trigger pins, SPORTER bolt carrier, blue extractor buffer, roll marked COLT'S MFG CO. INC., sear block pinned in right side, M4 feed ramps

Also have a few questions about yours:

M4 ramps?
front of receiver marked M4, 4, or nothing?
Barrel marked C MP 5.56 NATO 1/7?
No marking on the barrel extention (need a flash light to check)?
Has a two digit code under the guards behind the FSB like this:

img.photobucket.com/albums/0603/Ekie12091941/variation%20guide/barrellot.jpg

Has an O stamped like this:

img.photobucket.com/albums/0603/Ekie12091941/variation%20guide/barrelO.jpg



I'm going to check for those markings when I get home. I also added a pic of my barrel markings to my original post.
Link Posted: 2/28/2006 2:55:42 PM EDT
Link Posted: 3/5/2006 1:06:24 PM EDT
[Last Edit: 3/5/2006 1:12:37 PM EDT by shepardd]
I have a Colt Gov't Carbine, I think I purchased it new in the early 90's
Its serial number is GC02091X. On the front sight is says 609, on the barrel it says 2/95 under the handguars and it is stamped C MP556NATO 1/7
It has a pinned sear block that says COLT, 2 position plastic CAR stock, extractor has a blue insert. Don't see any markings on Upper Reciever, Bolt or carrier. Not sure if the front pivot hole is large or small, visually they look to be the same size, but haven't taken a micrometer to it or anything like that.

*Edit* I just took front pivot pin out and it will go into rear so I assume it is a small hole upper reciever.
Link Posted: 3/5/2006 9:44:46 PM EDT

Originally Posted By shepardd:
I have a Colt Gov't Carbine, I think I purchased it new in the early 90's
Its serial number is GC02091X. On the front sight is says 609, on the barrel it says 2/95 under the handguars and it is stamped C MP556NATO 1/7
It has a pinned sear block that says COLT, 2 position plastic CAR stock, extractor has a blue insert. Don't see any markings on Upper Reciever, Bolt or carrier. Not sure if the front pivot hole is large or small, visually they look to be the same size, but haven't taken a micrometer to it or anything like that.

*Edit* I just took front pivot pin out and it will go into rear so I assume it is a small hole upper reciever.



Got it added in, and yes it is a small pin front pivot pin, thanks.
Link Posted: 3/14/2006 7:51:40 AM EDT
Updated.

GC0068XX does not have M4 feed ramps, and GC 02091X does. That is a huge gap, if you have one inbetween can you check yours?
Link Posted: 3/14/2006 8:44:13 AM EDT
[Last Edit: 3/14/2006 8:44:33 AM EDT by Spooge5150]
added yours to read like this:

GC 0054XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, big pivot pin, small trigger pins, SP1 bolt carrier nope m-16, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block

Is that correct?

Have a few question, was hoping you could go through it and check the following:


M4 ramps? Yes
front of receiver marked M4, 4, or nothing? Nothing
Barrel marked C MP 5.56 NATO 1/7? Yes
No marking on the barrel extention (need a flash light to check)? Has a faint "4" at 3:30
Has a two digit code under the guards behind the FSB like this: Has a "2" at the front and the "0" for chromed lined at the nut.
Link Posted: 3/14/2006 9:36:11 AM EDT
[Last Edit: 3/14/2006 9:37:04 AM EDT by Ekie]

Originally Posted By Spooge5150:
added yours to read like this:

GC 0054XX CM upper forge code, old style receviver extention nut/receiver extention/buttstock, mag fenced lower, big pivot pin, small trigger pins, SP1 bolt carrier nope m-16, blue extractor buffer, roll marked COLT'S FIREARMS DIVISION, no sear block

Is that correct?

Have a few question, was hoping you could go through it and check the following:


M4 ramps? Yes
front of receiver marked M4, 4, or nothing? Nothing
Barrel marked C MP 5.56 NATO 1/7? Yes
No marking on the barrel extention (need a flash light to check)? Has a faint "4" at 3:30
Has a two digit code under the guards behind the FSB like this: Has a "2" at the front and the "0" for chromed lined at the nut.



Good stuff, thanks. Interesting that yours has M4 ramps and Bravo's does not. Maybe Colt ran the serial numbers out of order, or just used parts available. If we get more data will get a better picture of the situation.

Regarding bolt carriers, there were three common carriers used in Colt's semiauto line the last 40 years. What I refer to in these data bases as the SP1, the SPORTER and the M16. The SP1 has an exposed firing pin, and the back bottom part that trips the auto sear is cut off. The SPORTER carrier is what is more commonly refered to as a "half round", and the M16 is the full auto part.

Have not heard of a M16 carrier in a 1980's or 1990's factory original Colt semiautomatic. So, is your an odd ball, or was my terminology unclear?
Link Posted: 3/14/2006 1:36:19 PM EDT
Elkie,
I know the difference. I am a Colt-a-holic like yourself.


Yes M-16 carrier. Werid I didn't know that was unusual, but then again Colt always has been.
Link Posted: 3/14/2006 1:41:30 PM EDT
[Last Edit: 3/14/2006 1:45:36 PM EDT by Ekie]

Originally Posted By Spooge5150:
Elkie,
I know the difference. I am a Colt-a-holic like yourself.


Yes M-16 carrier. Werid I didn't know that was unusual, but then again Colt always has been.



OK, will edit the data base. Thanks again for going through it.

And yes that is weird, but certainly not out of the realm of possibility. There is a M16 carrier in a 6551 from about the same time frame in that data base. And all mine have them, but I put them there.
Link Posted: 3/14/2006 1:58:53 PM EDT
[Last Edit: 3/14/2006 1:59:26 PM EDT by Spooge5150]
Anytime.


And thanks for all the time and effort you put into this.

I for one, find it very useful!


Link Posted: 3/15/2006 5:38:01 AM EDT

Originally Posted By Spooge5150:
Anytime.

And thanks for all the time and effort you put into this.

I for one, find it very useful!



They are just raw data for now, at some point it will be some good stuff.

Can we get some others to check for M4 feed ramps?
Link Posted: 3/15/2006 9:54:43 AM EDT
[Last Edit: 3/26/2006 12:34:26 PM EDT by in_burrito]
Alright, here's the only things I know about mine. I bought two at the same time last year, but changed the A2 upper out for a flattop so I can't tell you the markings on that one.

The A2 serial # is LGC 03498X
The serial # for the one that's now a flattop is LGC 03496X

Both had the M4 feedramps when stock. I see virtually no markings on the A2 upper. There is a keyhole near the rear sight, and nothing else the is visible from the outside.

Both lowers are marked
AR-15 A2
GOV'T CARBINE
CAL. 225
SER LGC XXXXXX

Between the safety and the bolt stop is
COLT DEFENSE
HARTFORD. CONN
-----USA------

The opposite side has
RESTRICTED
MILITARY/GOVERNMENT
LAW ENFORCEMENT/EXPORT
USE ONLY

Neither front sight appears to be marked at all.
Link Posted: 3/26/2006 12:02:53 PM EDT
[Last Edit: 3/26/2006 12:46:30 PM EDT by Ekie]
Updated, looking for more info on markings above the gas tube on the upper, no marking, 4, or M4.
Link Posted: 3/26/2006 12:10:54 PM EDT
I may have missed somthing previously, but why in the world would anyone want to make a list of private citizens arms?
Link Posted: 3/26/2006 12:14:44 PM EDT

Originally Posted By Citabria7GCBC:
I may have missed somthing previously, but why in the world would anyone want to make a list of private citizens arms?



I would tell you, but then I would have to kill you.
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