Might want to take a look at the new primary arms 3-18 coming out. Going to be $500 and reports are really good glass for the money

The Athlon Midas tac 4-16 is right under $600 and I have heard really good things as well. Give Doug a call at camera land NY and he usually offers better pricing and it's really knowledgeable with any other options they may have

https://cameralandny.com/mobile/spec_sheet.html?catalog[name]=Athlon-Optics-Midas-TAC-4-16x44---APRS2-FFP-MIL-Athlon&catalog[product_guids][0]=11bf2ec0-dc21-0135-d8ed-00163e90e196