Around 1982-83 the Colt Firearms Co. (Hartford, CT) manufactured between 100-200 Colt R 6000 SP1 rifles with wooden furniture. This was an attempt to market the SP1 as more of a "sporter." This run of rifles were slow to sell but are somewhat collectible today. The A1 birdcage-type flashider will be found on these models.
Proofhouse.com has Colt sn data
You will have to call Colt with the sn to find out.
What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
Proofhouse.com has Colt sn data. If it's not there, call Colt
The Colt AR-15 Model SP1 with the serial number SP 204803 was manufactured in approximately 1979. Colt typically produced the SP1 models in the late 1970s and early 1980s. For precise dating, you may refer to Colt's manufacturing records or consult a Colt historian.
You can find out at Proofhouse.com in the Colt tables.
Proofhouse.com has Colt sn data.
You will have to call Colt to find out.
Proofhouse.com has Colt sn data.
100-1000 or so
if it is a 223 cal, then yes
50-1500 usd