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Page AR-15 » AR Discussions
AR Sponsor: bravocompany
Archived [ARCHIVED THREAD] - A1 profile barrels
Posted: 10/8/2004 11:41:38 PM EDT
When was the last time Colt made A1 profile chromelined 1/12 barrels with original 3 prong FH?  

Cause I bought one and have no idea how old it is.

Link Posted: 10/9/2004 12:28:19 AM EDT
[#1]
Three prongs (as far as I know) were phazed out about 1969.
Then they went to the birdcage style.
Link Posted: 10/9/2004 12:31:08 AM EDT
[#2]
Quoted:
Three prongs (as far as I know) were phazed out about 1969.
Then they went to the birdcage style.


I understand the switch took place with the implementation of the M16A1, but I was wondering as far as the civie market goes...maybe the guy I bought it off of got it from an SP1?....

Link Posted: 10/9/2004 3:21:39 AM EDT
[#3]
Civilian ARs back then were made from the exact same parts as the military, only difference as far as I know was the fire control group.
SP1s were just A1s without the select fire parts.
More than likely, it is a SP1 barrel.
If you haven't already, check this site out:
www.biggerhammer.net/ar15/
Lots of info on cut off dates, weapon profiles, and more.
Archived [ARCHIVED THREAD] - A1 profile barrels
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