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4/4/2008 5:18:02 AM EDT
Does anyone have an idea roughly of the timeline when the chrome bolt carriers used on the 601,602, early 604 models had a change in  the carrier key?

Also when the chromed bolt carrier used in the XM16E1 changed from chrome to the parkerized bolt carrier and bolt?

Thanks!
4/4/2008 11:49:42 AM EDT
[#1]
I don't know, but I am curious...it woudl be nice if we could geta  timeline showing the transition of all the parts....hmm, maybe a weekend project for me if I can geta  copy of Excel at home and can figure out how to inser pics...

[ETA]  If I were to take a W.A.G. I woudl say the mid 1960's, i.e. 65 to 66.  when the E1 was adopetd...that seems to be when most the slew of parts chagnes occured.
4/4/2008 4:04:56 PM EDT
[#2]
Here is a timeline I was working on. Feel free to contribute any info,

This has been REVISED and should be a little more accurate.


Safety w/hole 1959-1964
Safety 1965-1982
Front Takedown Oin with Ball baearing detent  1959-1963  601,602
Front Takedown Pin- w/ hole 1959-1964
Rear Takedown Pin- w/hole 1959-1964
Front Takedown Pin- w/o hole 1964-2008
Rear Takedown Pin- w/o hole 1964-2008
Mag Catch with small hole 1959-1964
Mag Catch 1964-2008
Mag Catch Button- Lined Pattern 1959-1962??
Mag Catch Button- Circular pattern Fine Threads  1S63-2008
Mag Catch Button- Circular Pattern Coarse Threads
Bolt Stop- Early Lined Flat End 1959-1963
Bolt Stop- Mid Transitional- Lined Lower Part 1964-1965
Bolt Stop- Late 1964-2008

Stock Group- Shorty
Collaspible Stock Alum/Vinyl  1967-197???
Collapsible Stock Fiberite "N" marked
Collapsible Stock M4
Buffer Spring- Shorty 1967-2008
Buffer- Shorty   Red Plastic End 1967-1982
Buffer- Shorty  Yellow Plastic End
Buffer Tube- 2 position 1967-1982
Locking Ring  w/ 1 hole 1967-1982
Locking Ring Plate 1967-1008

Stock Group- Rifle
Buttstock Ass'y w/o butt trap- Type "A" 1959- Brown Painted Green 1st- 100 produced
Buttstock Ass'y w/o butt trap- Type "B" 1959-1962 Green Painted
Buttstock Ass'y w/o butt trap- Type "C" 1963- Early 1964 Metal Sling Swivel
Buttstock Ass'y w/o butt trap- Type "D" Early 1964-1969
A1 Buttstock w/ Trap 1969-1982
Buffer- Early Edgewater  
1963-Used until 12/66
Buffer- Standard   1967-1982
Buffer Tube- with hole 1959-1966
Buffer Tube- Standard 1967-1982
Stock Screw 1963-1966
Stock Screw  with drain hole 1967-1982
Pistol Grip- Green 1959- Brown Painted Green 1st- 100 produced
Pistol Grip- Brown 1959-1962
Pistol Grip- Mottled 1963-1964
Pistol Grip A1 1965-1982
Pistol Grip Screw & Washer 1959-1982


Upper Receiver Ass'y
A1 Upper Receiver w/o FA 1959-1970
A1 Upper Receiver w/Fwd Asst 1964-1982
Tear-Drop F/A 1964-1982
A1 Ejection Port Cover Early Square- 1959-Dropped in 1964
A1 Ejection Port Cover Rectangle  1964-1982
Charging Handle Triangle- AF only 1959-1964   Replaced 1964
Charging Handle 1964-2008

Bolt Group
M16 Bolt Carrier- Chromed- Slabside 1959-1966
M16 Bolt Carrier Parked- Slabside 1965-1967
M16 Bolt Carrier- Chromed Serated 1964-1966
M16 Bolt Carrier- Serated Parked "C" marked 1967-1995
Bolts- Complete- Chromed 1959-1966
Bolts- Complete- Parkerized 1966-2008
Bolt Cam Pin Chromed 1959-1966
Bolt Cam Pin- Parkerized 1966-2008
Bolt Carrier Key Chromed 1959-1966
Bolt Carrier Key- Parkerized 1967-2008
Firing Pins- Old Style Large End 1959-1962
Firing Pin- Current 1963-2008
Firing Pin Retaining Pins- Chromed 1959-1965
Firing Pin Retaining Pins 1966-2008


Barrel Group
Barrel "W" proofed 1-14 twist 1959-1962
Barrel "VP" proofed  "12" marked   1963-1964?
Barrel "M VP" proofed  "12"  marked   1963-1965
Barrel "MP" "12" proofed   1965-1966
Barrel "C" marked Oct 1967-1969
Barrel "C MP C"  marked 1969-1971
Barrel "C MP B"  marked 1971-1973
Barrel "C MP Chrome Bore" marked    1974-1982

Front Sight Base- Cast 1959-1963
Front Sight Base- Forged 1964-1966 Flashing Machined
Front Sight Base- Forged with Drain Hole 1967-1982 Flashing Machined
Front Sight Base- Forged with Drain Hole 1969-1982 Bell & "C" Marked

Gas Tube Standard- Steel 1959-1963??
Gas Tube Standard- Stainless Steel   1964-200???
A1 Handguards- Shiney  1963-1965
A1 Handguards- Dull 1966-1982
Gas Tube Shorty 1967- 2008
A1/A2 Shorty Handguard 1967-199???
A1 11.5" Barrels- Standard 1967-1982  Bayonet Lug Ground Off
A1 Slip Ring Smooth 1963-1974
A2 Slip Ring Delta 1969-1982
Duckbill Flash Hider 1959-1963
3- Prong Flash Hider 1963-part of1967
A1 Flash Hider part of 1967-1982
A1 Lock Washer 1959-1982

Lower Receivers
601 Mfg'd  1959-1963 Flatside
602- Mfg'd        1963 - 1964 Majority to AF Flatside
603/E1 Mfg'd    1964 - 1967 XM16E1 Lower
603/A1  Mfg'd   1967 - 1982 A1 Lower
604  Mfg'd       1964 - 1967,  1970 XM16E1 Lower
XM177E2 Mfg'd  1967-1970 A1 Lower
651/652  Mfg'd 1970-1974? A1 Lower
653/653 No F/A  1971 - 1984 A1 Lower

4/4/2008 5:12:46 PM EDT
[#3]
Thanks Bingo!
4/4/2008 11:50:14 PM EDT
[#4]

Quoted:
Here is a timeline I was working on. Feel free to contribute any info,




Safety w/hole 1963-1964
Safety 1965-1982
Front Takedown Pin- w/ hole 1963-1964
Rear Takedown Pin- w/hole 1963-1964
Front Takedown Pin- w/o hole 1964-1982
Rear Takedown Pin- w/o hole 1964-1982
Mag Catch with small hole 1959-1964
Mag Catch 1964-1982
Mag Catch Button- Circular pattern 1963-1982
Bolt Stop- Early 1959-1963
Bolt Stop- Latre 1964-1982

Stock Group- Shorty
Collaspible Stock
Buffer Spring- Shorty
Buffer- Shorty
Buffer Tube- 2 position
Locking Ring  w/ 1 hole
Locking Ring Plate

Stock Group- Rifle
A1 Buttstock Ass'y w/ butt trap 1969-1982
Buttstock w/o Trap  Metal Sling Sw, Mottled 1963-1964
Buttstock w/o Trap 1963-1968
A1 Buttstock w/ Trap 1969-1982
Buffer- Early Edgewater 1963-Used until 12/66
Buffer- Standard 1967-1982
Buffer Tube- with hole 1963-1966
Buffer Tube- Standard 1967-1982
Stock Screw 1963-1966
Stock Screw  with drain hole 1967-1982
Pistol Grip- Mottled 1963-1964
Pistol Grip A1 1965-1982
Pistol Grip Screw & Washer 1963-1982


Upper Receiver Ass'y
A1 Upper Receiver w/o FA
A1 Upper Receiver w/Fwd Asst 1964-1982
Tear-Drop F/A 1964-1982
A1 Ejection Port Cover Early Square- Dropped in 1964
A1 Ejection Port Cover Rectangle  1964-1982
Charging Handle Triangle 1959-1984   Replaced 1964
Charging Handle 1964-1982

Bolt Group
M16 Bolt Carrier- Chromed 1963-1964
M16 Bolt Carrier Parked 1965-1967
M16 Bolt Carrier- Chromed Serated "C" 1967-1982
M16 Bolt Carrier- Serated Parked "C" 1967-1982
Bolts- Complete
Bolts- Complete
Bolt Cam Pin
Bolt Cam Pin
Bolt Carrier Key & 2 Screws Chromed 1963-1967
Bolt Carrier Key & 2 Screws
Firing Pins
Firing Pin Retaining Pins



Barrel Group
A1 Barrel  1-12  "12" marked 1963-1967
Barrel "C" marked Oct 1967-1969
Barrel "C MP C"  marked 1969-1971
Barrel "C MP B"  marked 1971-1973
Barrel C MP Chrome Bore" marked 1974-1982

Gas Tube Standard- Steel
Gas Tube Standard
A1 Handguards- Shiney 1963-1965
A1 Handguards- Dull 1966-1982
Gas Tube Shorty
A1/A2 Shorty Handguard 1967-1982
A1 11.5" Barrels- Standard
A1 Slip Ring Smooth (1) 1963-1974
A2 Slip Ring Delta (2) 1969-1982
3- Prong Flash Hider 1963-1967
A1 Flash Hider (1)
A1 Lock Washer  (1)



602- Mfg'd        1963 - 1964 Slabside
603/E1 Mfg'd    1964 - 1967 XM16E1 Lower
603/A1  Mfg'd   1967 - 1982 A1 Lower
604  Mfg'd       1964 - 1967,  1970 XM16E1 Lower
XM177E2 Mfg'd  1967-1970 A1 Lower
651/652  Mfg'd 1970-1974? A1 Lower
653/653 No F/A  1971 - 1984 A1 Lower



Bingo,

I got your email with this timeline, thanks!  I am going to starta  new thread with this info and see if we can't get answers to all the blanks and then get it tacked with credit to you for the majority of the info.

Dawg
4/5/2008 4:30:40 PM EDT
[#5]
Bingo and Dawg180 , Thanks for taking the time and for sharing the quick reference parts timeline.
4/9/2008 5:22:13 AM EDT
[#6]
This timeline has been revised and updated.

Memebers: Please feel free to add any additions, comments or deletions on this as it will help everyone here.
4/9/2008 11:06:06 AM EDT
[#7]
Bingo, thanks for the research brother!
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