the thing is I was going by the serial#. I read somewhere that at a certain time frame the second digit is the configuration. Of the four 93s I have one A2 and three A3s all original and nothing newer than IC date code the second digit matches the stock configuration so…. But then I have two early Saco import 91s with the second digit being a four and both are original A2s so..Ah, I believe you may be right; some wear marks there and the finish seems a bit off. Nice price though...
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Somebody makes a grenade ring for the 33/93 guns, I had one for the C93 I had. It's designed to be press fit over the barrel in front of the triple frame. Once pressed on the barrel can be painted and it looks original. Not sure if I still have that part or if I let it go with the rifle. Maybe this rifle has one of those installed.
BTW, the grenade ring is part of the triple frame, not the barrel. Having that ring doesn't necessarily mean the barrel has been replaced but possibly the front sight.