Here are some pics... explanations in your PM
https://postimg.cc/gallery/jJphMMX
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#1 is partially stripped.. (I sold the rifle it was intended for so work stopped.)
#2 has cross bolts. the other 3 have pins
#3 has a nice floorplate and rear sling swivel
#4 is cartouched. looks like SAA in a box
prices in your PM