What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
Made in 1964. First year of production.
You will have to call Colt to find out.
It was made in 1975
50-1500 usd
100-1000 usd
Depends on markings on upper.
I have an SP1 I purchased new in 1978 with a 108,xxx serial number.
Proofhouse.com has Colt sn tables. You can also call Colt and they will tell you.
100-1500 depending on specifics
value depends on overall condition.................
It's a 1975 preban model