Hello everyone, maybe somebody can clarify what may be a minor point, but are the "Siglite" sights on my 1911 STX the same as Sig Night Sights?? In order to work properly, do they need to accumulate light, or is there a radioactive component in there that generates? Thanx for any info, JG

Yep.... SigLites are Tritium night sights.

Thanx!!!!!