On the barrel in front of receiver would tell you it was made in Oct 1941.
Would like to know the value of a Remington 510 SB. The gun is in 98% condition Thank you John
current value of a 1941 Remington 510 22cal rifle
The Remington model 510 Target Master was made from 1939-1962.
You can find Remington Date of Manufacture codes at www.rimfirecentral.com in Remington Forum
Numrich gun parts
Your Remington model 510 Target Master will bring between 195-250 dollars in the condition that you describe.
the remington model 510 is a 22 plinking rifle used by adults and youth alike. they were not known to have been used by the military, but it's possible.
I don't believe the Remington 512, 511 or 510 have serial numbers
Midway USA
http://remingtonsociety.com/rsa/service
Should be S L LR O for short, long, long rifle only
Find the serial number and google the Remington sight. They should have records of when the weapon was produced.