ammoman.com has, last I checked, 62gr. .223/5.56Prvi PArtizn, $399/1000. That is athe shipped to your door price.
sportsmansguide.com also has, last I checked, some Silver Bear .223 (if you like that stuff)?
And, I did find some Winchester white box of ,45acp on gunbroker for $215.00 + shipping. There's also some 9mm and .40S&W on GB as well. Some isn't to overly proced. But there are some sellers that think they're selling gold. lol