This review of Remington Outdoors' DPMS GII AR-308 rifles appeared ... the engineers had to create new upper and lower receivers, as well as a new bolt carrier. The forged 7075-T6 receivers ...

308 Win., such as the M14/M1A and AR-10 ... The take-down pins were remarkably tight, as was the upper-to-lower receiver fit. DPMS' Teflon finish on the hard-coat anodized aluminum was smooth ...

and an A3 upper receiver with removable carrying handle and A2 style hand guards. DPMS coats its rifles with a Teflon hard finish and mine came from the factory and gun store without a scratch.