Start haunting the military surplus forums.
Here's a link to one of the best: http://www.surplusrifleforum.com/index.php?sid=0cf9c4ac8a9c837c4392ff980ec1826a
Welcome here and when you get a chance, head over to the New Member introductions area and introduce yourself to the gang.
“If ye love wealth better than liberty, the tranquility of servitude better than the animating contest of freedom, go home from us in peace. We ask not your counsels or arms. Crouch down and lick the hands which feed you. May your chains set lightly upon you, and may posterity forget that ye were our countrymen.” ― Samuel Adams