By A Mystery Man Writer
6mm Arc 21" Stainless Steel Barrel comes with Adjustable Gas Block, Gas Tube.
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Odin Works Barrel, Fits AR15, 6mm ARC, 21, Threaded 5/8-24, Heavy Profile, - Other Pistol Accessories & Parts at : 1028206219
Ultimate Reloader: 6mm ARC and MDT TIMBR Frontier Rifle Stock - MDT Mention - MDT US
22″ Fluted] 6mm ARC Upper with Black Cerakote Barrel, Grendel Hunter