Back in the day, many guys sweated the front sights off of their fwt rifles... Now that is what is "blasphemous"..
Yep, lots of stuff happened when they were great rifles, but not collector's items.
Removing that sight ramp is reversible, but it takes a skilled hand.
I'm still a bit envious of you for finding that rifle at such a great deal.
You never did answer my question about when it was made.