Depends on the model and serial number.
What model?
1978
what is the SERIAL NUMBER ??????????
Will need model name to answer.
Would need model name to answer.
you would need the model number as well as serial number.
The suffix of P7 to your serial number indicates that you have a Browning Nomad model pistol,which was made in the year 1967.
Impossible to do with just the sn.
No serial number provided.
The date of manufacture is determined by the Colt model type and serial number. See: www.proofhouse.com/colt/index.html
1913