The sights are press fit into the dovetail normally by a qualified gunsmith or armorer as slight modification of the sight may be necessary. They are dovetailed and would slide into the dovetails by using a sight pusher or non-marring punches.
No, but the Trijicon HD Night Sights will: https://www.opticsplanet.com/trijicon-hd-night-sights-for-s-w-m-p-orange-or-yellow-front.html
It comes with the wrench for the front sight but does not have a punch for the rear sight.
The Glock Suppressor Height XS Sight Systems DXT Standard Dot Sights do have a Tritium Insert in the rear sight.
The XS Sight Systems DXT Standard Dot Sight are Tritium sights. Tritium emits electrons that stimulates the phosphor in the sight and produces light.
No, none of these will fit the Taurus G3C.
No, these will not fit an HK P2000.
No, the P226 sights will not fit the P227.
Yes, MPN:WT-0004A-6 will work on any of the standard PPQ models except the following:
PPQ M1 Navy Edition
PPQ SC (Sub-Compact)
PPQ 22
None of the listed options will work for those handguns. The FNS9 and FN509 use different sights so please email us at techsales@opticsplanet.com and we can point you in the right direction.