CORE® 300 AAC Blackout 10" Keymod Upper

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Product Name CORE15® 10" Roscoe Upper - 300 Blackout
Part Number  12799
Caliber Chambered in 300 AAC Blackout
Upper Receiver CORE15® Mil-Spec Forged 7075-T6 M4 Upper Receiver, Type III Class III Hard-coat anodized finish, M4 feed ramps, (1913 Picatinny rail flat top) w/dry lube internal finish and laser engravings
Bolt Carrier Group CORE15® Mil-Spec Carpenter 158 steel bolt, M16 Chrome Lined 8620 Steel Carrier, Mil-Spec Staked Gas Key, Tool Steel Extractor, Shot Peened
Barrel CORE15® 10" 1:7 4150 Nitrided pistol length
Rail CORE15® 9.5" Aluminum Keymod Rail, Machined from 60005 Aluminum Alloy
Gas Block CORE15® Low Pro Gas Block
Muzzle Brake CORE15® Muzzle Break
Charging Handle CORE15® Billet Charging Handle V.2 
Gas Tube Gas Tube made of 304 grade Stainless Steel