discontinued

I have a discounted xdm tactical 45 & want to buy an optic red dot but from the looks of it I’m not able to place a plate on my slider.. can someone help me out with that please.

Did Springfield discontinue the basic 9mm XDM? Existing XDMs on the SA website only come in .45/10mm. The only 9mm offering is the new "Elite" model. Several reasons for my question. 1) The new magazine for the "Elite" is listed with 'increased capacity'. 22+1 and 20+1. So do the former 19...