900 Vfc mk8 build Lower has colt markings BJtac mk8 handguard really nice finish Tnt hopup and inner barrel RS Ambi mag release RS fire selector RS antiwalk pins Ra tech aluminum npas Poseidon light weight steel bolt Enhanced buffer spring Enhanced take down pins Genuine magpul pistol grip and MOE stock Repro geiselle charging handle QD sling mount with Haley markings Suppressor 2 gbb pmag No trade locate BC Thanks