open the cylinder. if just cleaning......run an oil rag down the bore and cylinder. If fired, clean bore and cylinders with a bore cleaning solution, dry, then apply a light coat of oil for storage....................
Colt police positive .38 was made in 1919 and Colt police positive special was made in 1914.
Colt 38 special police edition s/n 18759
Your colt police positive special was made in 1972.
Colt police positive special was made in 1915
About 1913 for a Colt police positive special with that serial number.
If it is a Colt police positive special, it was produced in 1910.
Your Colt official police special was made in 1956.
A Colt police positive .38/bankers special with that serial number was made in 1934. A Colt police positive special/detective special with that serial number was made in 1928.
One of many models made by Colt
The Colt police positive special with serial # 276069 was produced in the year 1923.
It was made in 1924.
That Colt official police special was made in 1968.