[Bigbang]

A welded RSP....pictures are self explanatory

 

[nirvana]

Did the smith cut the registered side plate in half? I am guessing that the plan here is to graft on a new piece and then be left with only one weld seam.

 

[Bigbang]

Correct....one seam and an original charging handle cutout

 

[nirvana]

Correct....one seam and an original charging handle cutout

Totally makes sense. I was just startled at first. You decided to keep the gun after all. Cool.