AR-15 300 AAC blackout 16" stainless steel black diamond fluted upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber.
Upper assembly does not include BCG and Charging Handle. Maybe purchased separately. Current ETA: 2-4 weeks. Images may not be an exact representation of the product.