Eugene Stone, from the ArmaLite corporation. After that, Colt "bought" the project.
Made in 1964. First year of production.
The NORINCO CQ5.56.
A verison of the AR15 made by Bushmaster.
By it's serial number. Go to www.proofhouse.com and under 'long rifles' listing look for AR15 Sporter
No. Only made for the Ruger 10-22.
Proofhouse.com has Colt sn data.
It was made in 1975
The stock and forearm were traditional wood, but can be other materials. With the AR15 and M16 rifle, they are made from metals and plastics.
According to info available on ar15.com, your weapon was manufactured in either late 1972 or early 1973. I own one made in 1974.
Only if there was one made for an AR-15 upper, which there isn't.
Try AR15.com Try AR15.com