Good eye.
Yep, in the first pic (CS9) that's one of the original 3913TSW butt plates.
In the last pic (CS45) it's one of the original 4513TSW butt plates.
Just for the 9mm butt plates I've used ...
In this pic, from L-to-R, standard curved, standard flat, and original 3913TSW butt plate.
Standard flat and original TSW.
L-R, TSW, standard flat and standard curved.
Seated in gun ...
Standard flat.
Curved.
TSW/wide.
