Sightmark Mini Shot Red Dot Footprints - What pattern will fit my firearm?

Below are the footprints for each of the Sightmark Mini Shot red dots and reflex sights. But first, it is highly suggested before you purchase one of these red dot sights that you know the following information:

1) Your firearm's make and model (ie: Sig Sauer P-320, Colt 45, Smith & Wesson Shield)

2) If the firearm has an existing mounting footprint, and if so, what that footprint is

3) If your firearm is "optics-ready" and comes with removable plate(s) to mount a different sights

4) If the manufacturer makes adapter plates to fit the footprint of your desired red dot

Mini Shot A-Spec M1 (SM26045) - Docter/Noblex, Burris

Mini Shot A-Spec M3 (SM26049)- Shield RMS-C

Mini Shot M-Spec FMS M1 (SM26043)- Docter/Noblex Burris

Mini Shot M-Spec FMS M1 Dark Earth (SM26043DE)- Docter/Noblex Burris

 Mini Shot M-Spec M1 LQD Dark Earth (SM26043-LQDDE)- Docter/Noblex Burris

Mini Shot M-Spec M2 Solar (SM26048)- Trijicon RMR

Mini Shot M-Spec M3 Micro Solar (SM26050)- Shield RMS-C