We do not have any adapter plates for the APX at this time.
It comes with a hood that could be used somewhat as a sunshade.
Yes, the Burris FastFire III Reflex Red Dot Sight can be mounted to a Walther PDP. You will need to use the corresponding optics mounting plate from Walther. Unfortunately we currently do not have this mounting plate available.
The Burris FastFire III Reflex Red Dot Sight can be mounted to the Burris TMPR3 Prism Sight but it will not use the Power Sharing Feature.
The Burris FastFire III Reflex Red Dot Sight does not use the RMR footprint. The Burris FastFire III Reflex Red Dot Sight uses the Docter/Noblex footprint.
Unfortunately no. The products would need to be sourced from a local distributor.
Yes, the FNX .45 Tactical should include mounting plates and the Docter plate included will work for the Burris Fast Fire.
The FN 509 Tactical uses the same mounting plate for the Burris FastFire, Docter, Vortex Venom and Vortex Viper - the Docter mounting plate on your PMR 30 should be compatible with the FastFire as well.
Mark H.
Yes, one of the included mounting plates that come with CORE line pistols will allow you to mount the FastFire.
Yes, it will using the Docter plate which should be number 1.