This Marlin manufactured semi-beavertail style walnut forearm is for the model 39A and 39-A lever action rifle and is in very good condition having light dings and handling marks. (file photos)
Note: Marlin model 39A and 39-A lever action rifles with the following serial numbers have been observed with this part:
Marked 39-A: (1947) D7845
Marked 39A: (1951) H24038