your colt SAA if it has a serial number of 502479SA was made in 1969.
Proofhouse.com has Colt sn data.
You will have to call Colt to find out.
No such sn in the AR-15 series
Published data does not go that high. You will need to call Colt
Does not show up on Colt's site or in any reference I have. A call to Colt at 1-800-962-COLT can reveal the exact date of manufacture.
The date of manufacture is determined by the Colt model type and serial number. See: www.proofhouse.com/colt/index.html
You will have to call Colt to find out.
You need to call Colt to find out. That sn goes beyond published data.
SN info on Colt's after 1978 is best acquired by calling Colt, unless you want to spen @$100 to get a Colt letter.
Late 1980s or early 1990s
it was made by Colt in 1917
made by Colt in 1913