The Classic 16 is one of the most conventional carbine rifles in the DPMS line-up. The rifle has been a favorite for shooters, hunters, law enforcement, and recreational or competitive shooters alike. It is available with an endless number of upgrades and accessories to fit almost any shooter's needs. The 16" barrel has a 1 in 9" twist and is equipped with an A2 birdcage flash hider. The rotating bolt is gas-operated with an 8620 steel bolt carrier and a phosphated steel bolt, both heat-treated and plated per Mil Spec. The A3 upper receiver is forged from 7075-T6 aircraft aluminum alloy and hard-coat anodized per Mil Spec. The A2 forged post front sight comes attached and ready for action with a full-length top rail open for an added rear sight, carry handle, or scope.