This series of rifles and carbines were manufactured in 2008 and 2009, with forged aluminum alloy receivers, manganese phosphate or stainless barrels, forward assist and other features typically found on quality made AR-type models. All were chambered in 5.56 NATO. Many of the popular AR configurations were offered with 16" or 20" barrels, sighting and grip options, mounting rails, finishes and other regular features found in the AR family. Prices shown are for standard DM-4 Carbine. Many available options can double these values.