USED Obsidian Arms OA-15 300BLK 16" Stainless Teflon Coated Barrel, Billet Matched Recievers, Hard Anodized, 15" "S" S-pattern Free Float Handguard, Hogue Rubber Grip, MFT Stock Out of stock. Check back later... Price: $995.00 Description Details Shipping info Manufacturer: Obsidian ArmsModel: OA-15Origin: UsedCaliber: 300 AAC BlackoutCategory: Long gunModern Sporting RifleRifleGunsStock: 0 This item may be shipped to an FFL near you! The item will be held at our location until we have received a valid copy of your dealer's license.