The old Marlin .410 lever action shotgun was made from 1929 to 1932. There are two different serial number sequences to be found, one with the letter "U" prefix, and one that has no letter prefix. The serial numbers themselves only reached the four (4) digit numbers or less. There are two different barrel lengths, a 22 inch and the more common 26 inch length. There are a few (as in very few) deluxe, checkered .410's and are extremely rare. The checkered versions forearm does not have the finger groove like the common version. The old .410 could only handle the 2 1/2 inch shells as the action could not handle longer shells.
Due to the increasing cost of ammunition, there be no warning shot!
The growing federal deficit = generational slavery to the national debt.