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This is the Yankee Hill Machine Black Diamond 5.56mm/.223 16" Specter XL Carbine Complete Upper. This is the flagship Black Diamond Specter XL Complete Upper. The Diamond forearm bridges the gap between the upper receiver and hand guard and is marked for position on all 4 sides. YHM's diamond pattern in the hand guard reduces weight and blends perfectly with the diamond fluted barrels. Features include - Forged 7075-T6 Aluminum YHM Flat Top Upper Receiver, "T" Marked Upper Receiver, Forward Assist, 16" 4140 Steel Barrel, Heat Treated to RC 25-32, Chambered in 5.56 N.A.T.O. with 1:9" Twist, YHM Diamond Fluting Improves Rigidity and Aids in Barrel Cooling, YHM Phantom 5C2 Flash Hider / Compensator (YHM-28-5C2), YHM Rifle Length Diamond Handguard (YHM-9635-DX), YHM Forearm Endcap (YHM-9484-A), YHM Low Profile Gas Block (YHM-9384), YHM Forearm Mounted Flip Front Sight (YHM-9627), YHM Flip Rear Sight (YHM-9680).
*Copy of Photo ID required for purchase of any uppers.
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