I have several of these rifles, all made prior to '48 and 3 or 4 prewar. (but may also be applicable to other models) the easiest is by the alpha code contained in the inspectors mark. Websavage stevens model 87 semi automatic rifle.

The alpha code should be preceded by one or two. Webmay 7, 2006 · here's a picture of my stevens 76a (pre stevens 87a) and what it can do in the squirrel woods. Webfeb 4, 2014 · the springfield model 87a is the same as the stevens model 87.