507k if you want multiple reticle options, 407k if your fine with a 6 moa dot. Can't beat them for the money. I've had RMRs, Burris Fastfire,s, Sig Romezero's, etc.
My current EDC is the 43x with 407k (using the C&H Precision plate)
TLR-7 Sub for Sig 365/365XL - $140. $120
Werkz IWB holster for TLR-7 Sub and Sig 365/365XL - $40. $30
Together - $175. $140 SOLD
FTF around Northside/Noblesville/Fishers