Rise Armament RA6ARCCUGRY18 Upper Receiver 6 ARC 18" Grey Cerakote Barrel Aluminum
https://www.tandktactical.com/shop/850043415961-rise-armament-ra6arccugry18-upper-receiver-6-arc-18-grey-cerakote-barrel-aluminum-51433
https://www.tandktactical.com/web/image/product.template/51433/image_1920?unique=3ad5fca
The RISE 6mm ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.
