Kevin:
I don't think they were soldered on - for sure on the Super Target Ribs were not soldered on. They are pinned on the front sight/base and screwed on at the rear. Ralph (RCT269) and I corresponded back and forth while he completely disassembled the KST Triple lock he owned. It was a fun and insightful conversation - I kept the correspondence and I go back and read it every now and then when I need a smile. No re-finishing required in most cases.I can also tell you that I see no evidence of any silver solder on the three KSTs that I own.
Not a speck of solder anywhere! The ribs are described as "full floating ribs", and as near as I recall that translates to "attached at two points". The two points are, as Richard said, pinned at the front (two pins through what's left of the stock front sight, and screwed on at the rear by the elevation adjusting screw). The rib is under considerable tension when installed. That being the case, the screw must be removed first---and the pins can be pushed out after that. Similarly, reassembly calls for installing the front pin first, then the screw (which is going to pull the rib down---putting it in tension---AND aligning the aft pin hole such that it too can simply be pushed into place).
Now Richard thought I was a little bit nuts for tempting fate by taking the thing apart, but it turned to be a good idea simply because of what I learned. That is that underneath that rib could be a rusty mess----could be----mine looked like it had left King the day before----not a speck of solder and not a speck of rust either. King's installation process calls for milling a great wide chasm in the top strap, with a notch at the rear (pretty much the same as on a factory target), and then gnawing down the front sight. Mine appeared to have been left in the white, or perhaps treated with some sort of magic elixir to prevent corrosion. Whatever, there wasn't a speck of rust. That said, it appeared my gun spent its entire life in a sock drawer--both before and after King. If yours has been out and about, it might be a good idea to have a look underneath.
Ralph Tremaine
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