No way to answer without a detailed description, sn, etc..
58 years old.
31 years old
The Universal M1 Carbine is a variant of the original M1 Carbine, which was first developed during World War II. Universal Firearms began producing its version of the M1 Carbine in the 1960s. Therefore, a Universal M1 Carbine would typically be around 50 to 60 years old, depending on its specific production date.
1935
1973
1956
@1959
52 years old
1974
It depends on the actual serial number.
Impossible to answer without a serial number.
Made in 1968.