1800s to the 1950s or so
Your harrington and richardson model 900 was made between the years 1962-1973.
I can say that the Harrington and Richards model 929 was made from 1956-1973.
"P" prefix indicates 1953
Made in 1951
H&R- Harrington & Richardson.
You will have to contact H&R 1871 Inc. to find out.
H&R- Harrington & Richardson.
First, it is Harrington & Richardson. Second- it depends. What is marked on the gun? H&Rs were made in .22 Short, .22 long, .22 Long Rifle, .22 Special, .22 WRF and .22 Magnum.
Harrington and Richardson, an American gun company that made a LOT of inexpensive revolvers. But you need to ask an actual question.
@ 53
Can't be answered without a DETAILED DESCRIPITON OF ALL MARKINGS and condition.
Check the discussion page and do what is written backwards. If you have trouble, you need to see a gunsmith