I found this excellent article entitled "10 Reasons I Am A Libertarian Christian." The author begins thusly:
"1. The Biblical maxim to 'love your neighbor' and the Libertarian principle of non-aggression are essentially synonymous.
2. With the exception of defensive wars in the case of attack, war is an evil that plagues humanity; Christians are to be peacemakers and together with Libertarians should oppose national aggression."
And proceeds beautifully. Indeed there is no contradiction in being a devout, confessing Christian and a libertarian.
Read the whole list here.