with the L prefix to the serial number,this would indicate that your model 1100 Remington shotgun was made in 1991.
Check the date stamp on the barrel. The table look and details are on the manufactured date link of the Remington Society of America.
March 19th, 1997
No way to answer without the serial number.
They have date code stamps on the barrel which can be looked up on the manufacture date link on the Remington Society of America.
Check date code left side of barrel, then go to Remington Society of America to look up.
1926, late enough it's date code stamped see related links.
Look at the barrel code, information found on the Remington Society of America here: http://remingtonsociety.com/rsa/questions/barrelcodes
1911
How do you identify the model of an old Remington shotgun with ser # 232022
1928, it will be date code stamped on the barrel see related links for details on the Remington Society of America.
All Remingtons made from 1921 have a date code stamped on the barrel. The details and table can be found on the Remington Society of America, Manufactures Link.
The Remington Model 4 was made from 1890-1933. Check the barrel on the left side for letter markings (2 letters, just forward of the receiver) that are the code to date barrel was made. You may also check with Remington.