GC_UPC Stern Defense AR-15 Upper Receiver, 9mm, 6in Barrel, 8in MLOK Rail, SD BU9 Bolt, SD CH1 Charging Handle, SD HBC Blast Can, Black, 015-SD8INCHMOD5-KK $460.45 015SD8INCHMOD5MLOK6INCHBARREL9MMKK show more like this Free Shipping on most orders over $49 Optics Planet GC_UPC STERN DEFENSE MOD5 UPPER 9MM 6IN BBL MLOK RAIL $466.46 - show more like this Calculated in Cart DACK Outdoors GC_UPC STERN DEFENSE MOD5 UPPER 9MM 6IN BBL MLOK RAIL $494.00 SD8INMOD5MLOK6INBBL9MM show more like this 14.95 TheGunDock.com GC_UPC STERN DEFENSE MOD5 UPPER 9MM 6IN BBL MLOK RAIL $500.76 SD8INMOD5MLOK6INBBL9MM show more like this Free on Firearms Acute Firearms GC_UPC STERN DEFENSE MOD5 UPPER 9MM 6IN BBL MLOK RAIL MAP SD8INMOD5MLOK6INBBL9MM show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC STERN DEFENSE MOD5 UPPER 9MM 6IN BBL MLOK RAIL $514.56 - show more like this Free shipping on orders over $300 Skogen’s Gun Supply GC_UPC Stern Defense Def. Pistol Upper 9Mm 6" Bbl. 8" M-Lok Rail S01577 860141001577 $526.40 S01577 show more like this Firearms $18.45, Free over $500 Shooting Surplus