M&P CORE Red Dot mounting screws

[Roland Thunder]

Does anyone know which of the 4 different types of screws should be used to mount a Burris Fastfire III to an M&P CORE 9L

Here are the 4 type of screws sent by Smith and Wesson

It's not "A" or "D" I'm certain of

 

[Sharkbite]

IIRC i used the “C” to mount my RMR. Not sure that helps you

 

[Roland Thunder]

Not sure that helps you

If yours is a Burris FF III or Docter, it does

 

[Sharkbite]

Nope, Trijicon RMR.