Went shooting with a buddy of mine yesterday. He took along his dads colt AR. I really cant put a timeline on this thing. The barrel is ~12.5" with a 4.5" fh permed. The bcg looks to be a semi auto carrier and the front take down pin is larger than the rear (tried slapping my bcm upper on his lower). It ran 100% though, and he said he hasnt cleaned it in 1k some odd rounds. Heres some pics:
(excuse the cell phone quality pics)
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