Sidearms & Scatterguns Sig Night Sight Question

2brothers641

Sergeant
Full Member
Minuteman
May 21, 2008
562
18
44
IA, USA
Just got in a new sig 250 with night sights. The front sight and right rear (looking down the barrel) light up a bright green. The left rear does not. It appears when looking at the rear sight that the left isn't a night sight at all. Is this how they all are?