Yankee Hill

YHM is very pleased to offer our flagship BLACK DIAMOND Specter XL Top End. The Diamond forearm bridges the gap between the upper receiver and handguard and is marked for position on all 4 sides. YHM's diamond pattern in the hand guard reduces weight and blends perfectly with our diamond fluted barrels. - Specifications - Chambering: 5.56mm - Twist Rate: 1:7 - Forged 7075-T6 Flat Top Upper Receiver with M4 Feed Ramps and T marked - Forward Assist - Includes Charging Handle - Includes Bolt Carrier Assembly - 16 4140 Steel Barrel Heat Treated to RC 25-32 - Diamond Fluted to Improve Rigidity and Aid in Barrel Cooling - Threaded to take our Popular Muzzle Accessories - YHM Phantom 5C2 Flash Hider / Compensator - 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) - Includes all Internal Parts - Total Weight: 4.8 lbs.