Impossible to answer without the serial number.
1951-1952.
Serial number
Impossible to answer without the serial number.
H&R made utility firearms from @1864-1986; 50-125 USD.
20-100 USD or so
The Letter M prefix to your serial number indicate that you have a H&R model 922 4th model which was made from 1949-1952.The letter M was the last letter used,so I would assume 1951-1952.
50s to 80s
Unfortunately, without the serial number, we can't date your revolver. Without knowing the condition, we cannot estimate the value.
The H&R Arms Company Model 922 pistol was produced from 1932 until the early 1940s. If you have a specific serial number, it might help narrow down the exact year of manufacture. However, without additional information, it's generally recognized that the Model 922 was primarily manufactured during that time frame.
Need serial number.
25-100 dollars
The letter prefix of L ahead of the serial number indicates that your H&R model 922 was made in the year 1952.