Had about 1000rds of .223 through it and 200rds of .22lr through it via a CMMG kit.
Price lowered to $460
shipped to you SOLD
16" barrel with (I think) a peel-washer behind the A2 Flash-hider. Front sight post was turned on a lathe to make it skinnier but other than that, its a factory-built complete upper with a DD Fixed rear BUIS installed (comes with BCG/CH).
Pics (lower is already sold):