In addition to Primary Arms, PSA also does "Daily Deals" and "Promotions". The current standout to me is the Sig Red dot Romeo5 for $119:
I've used T1, T2, and the MRO by Trijicon. I think this is a solid budget option and much better than the Vortex Sparc (I've had bad luck with these).
I've used T1, T2, and the MRO by Trijicon. I think this is a solid budget option and much better than the Vortex Sparc (I've had bad luck with these).