On the T series I'd personally probably stick with the XS standard dot. It still is fast and clear night or day but helps a lot at the reach out distances.
It does take a little getting used to covering where you want to hit.
In Memory of Paul "Dietrich" Stines.
Dad: Say something nice to your cousin Shirley
Dietrich: For a fat girl you sure don't sweat much.
Cue sound of Head slap.
RIP Muggsy & TMan
"If you are a warrior legally authorized to carry a weapon and you step outside without that weapon, then you become a sheep, pretending that JOCKO will not come today."