Aero/bcm ar15 specs are as follows. Aero lower receiver triggertech 3.5lb flat trigger/drop in. bcm upper and bcm handguard ba hanson profile barrel solgw nox 556 brake. Has a vortex strike eagle 1-8 and vortex mount. $1000 cash-1100 trade value. Text me at 346four46two102 for fastest