Bushnell trs-25 ...
Yeah, "cheap but decent" doesn't always go together, but the TRS-25 isn't a bad option for a cheap red dot. Vortex Strikefire II is better at under $200.
A&A Optics ... https://aaoptics.com/ ... has a better deal on a refurbished Crossfire RD ... https://aaoptics.com/Red-Dots-Accessories_c_118.html.palmetto state armory has the vortex crossfire with code for 119.00 and it is shipped free code is CROSSFIRE