18" Mark 12 Complete Upper Barrel Assembly   

Includes:

HG-V-15K – Palm Handguard™ – Vented 15″ KeyMod with Barrel Nut

BAA3-M12 – 18″ Mark12 Barrel

FTT-EA1 – A3 Upper Receiver Assembled

BC-A-223 – Fully Assembled Bolt Carrier – .223

BL-04 – Standard Gas Tube

GB-LP750 – Gas Block .750