https://ibb.co/tCSJfQv
https://ibb.co/x1XYzhG
https://ibb.co/98Mjqvh
https://ibb.co/ww2r9bW
https://ibb.co/p2sRFFH
https://ibb.co/mhK6cK6
https://ibb.co/C7522Xj

Pictures; always unsure if these will work, need a tutorial. The back sight looks a replacement.