New to group so bare with me. Recently acquired a Savage Sporter in 22 or and need to confirm model. It really looks like a model 23a by what I have read and seen on the web but there are a couple of features I have not seen. It has the normal patten dates starting in 1905 and ending in 1917 and takes the knob type magazines......different is that it has lyman 55S rear peep sight and some sort of changeable front post sight (a "u" shaped clip holds the post in place), the stock is very nice and checkered on both ends. It has a black plastic hand grip cap with a metal "SAV" butt plate. Six digit serial number on right side. The person I received it from claims it is an NRA model but the stock is no where near the same. Photos to follow if I can figure out how to upload them. Hopefully this info will start the wheels rolling!