For those looking for brass. Midway has on sale AND IN STOCK 5.56x45 once fired military brass. LC headstamp. For $65.95.
http://www.midwayusa.com/product/19...m-nato-lake-city-headstamp-grade-3-bag-of-500
http://www.midwayusa.com/product/19...m-nato-lake-city-headstamp-grade-3-bag-of-500