16 inch DS Arms chrome lined barrel M4 profile 5.56 marked 1:7 twist, A2 flash hider, DS Arms carbine gas tube, and Troy low profile gas block. This barrel originally had a A2 front sight block on it and the barrel does have pin groves from where it was pinned on, the Troy gas block covers these. Barrel has around 500 rounds through it, gas block around 200. $100 Local meet or $110 shipped, located in the Peru/Kokomo area.
