Sons of Liberty Gun works upper mated with Ballistic Advantage 7.5 5.56 barrel with gas tube and gas block, BCM KMR8 with BCM rail cover, used BCM/Vltor mod 3 charging handle and KAG and Impact Weapons Components keymod qd and Arisaka finger stop and Strike Industries Venom flash hider and last a used PSA bolt carrier. I had this put together by the guys at Solgw since they’re not to far from me and tested. Haven’t shot it since. A total of 5 rounds. Has handling marks from light and sights being on it. I was gonna use this as a pdw but never did. (BCG and charging handle have about 300-350 rounds.) Price is $450