Im selling my DSA upper assembly. Here are the specs on it. It is brand new looking to get 350obo. - Forged 7075T6 A3 Flattop Upper Receiver - Forged Front Sight Base with Bayonet Lug - A2 Flash Hider -16 Inch 5.56mm NATO Nitride Treated Chrome Moly 1:9 Twist ZM-4 Mid-Length Fluted Barrel Also have a DPMS LPK for 65.00 I have tried to upload my pics but my file size is to big. Email me for pics.