Impossible to answer without the serial number. Call Colt and they will tell you for free.
You will have to call Colt.
80013
What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
You will have to call Colt to find out.
Made in 1964. First year of production.
I have an SP1 I purchased new in 1978 with a 108,xxx serial number.
It was made in 1975
50-1500 usd
100-1000 usd
If the serial number is SP25002; 1973
value depends on overall condition.................
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
It's a 1975 preban model
$800.00