YHM Black Diamond YHM-8820 Complete Specs and Full Gun Specifications

YANKEE HILL MACHINE Black Diamond Specter XL Carbine 5.56mm NATO 16 Inch Chrome-Lined Barrel With Flash Hider Flip Sights Adjustable Commercial Carbine Stock 30 Round Features forged 7075T-6 aluminum lower receiver and flat top upper receiver. T-marked upper receiver. Sixteen inch 4140 steel, diamond fluted barrel, heat treated to RC 25.32. Chambered in 5.56 NATO and chrome-lined. Phantom 5C2 flash hider/compensator. Specter XL length Diamond handguard. Forearm endcap. Low profile gas block. Forearm mounted flip front sight. Flip rear sight. Adjustable commercial carbine stock. Includes all internal parts. Thirty round magazine capacity.