High Standard
Marlin model 80
The JC Higgins mod 103.18 is a Marlin model 100. The Marlin was introduce 1936 and dropped in 1960, so your rifle was made prior to 1960.
i think the rifle is mod 1894 cal 38-55
the year is 1968
This model 310 was made in 1957
The Western Field model 880 was made by Colt. It was the Colt Colteer semi-automatic .22 LR rifle.
The Savage Mod 29 was made from 1929 until the late 1960's
If it is not marked on the barrel, take it to a gun smith for a chamber cast.
yes
Condition?
22 Long Rifle
Your serial number indicates that your rifle was made in the year 1987.