Barska 6.75" KeyMod AR Hand Guard | BAR-AW13220 The 6.75-inch KeyMod Handguard by Barska is a free-floating handguard that utilizes the KeyMod accessory attachment system for increased weight savings, modularity, and ergonomics. These KeyMod slots provide an almost limitless combination of mounting points without the extra weight associated with similarly sized Picatinny rails. The KeyMod Slots are located at the 3, 6, and 9 o'clock positions, and the Picatinny top rail has been designed to fit seamlessly with an upper receiver. This KeyMod Handguard is ideal for use with low-profile gas blocks on carbine-length gas systems. Included Accessories Specialized Barrel Nut Features KeyMod Mounting Slots Free Floating One-Piece Design Lightweight T6 Aluminum Construction 1913 Picatinny Top Rail Quick and Simple Installation Black Hard Coat Anodized Finish Technical Specifications Brand: Barska Model Number: AW13220 UPC: 790272004300 Length: 6.75 in. Rail Sections: 16 (Top) Finish: Black Matte Applicable Firearm: Low-profile gas blocks on the carbine, mid, or rifle-length gas systems. Product Weight: 1 lb. Manufacturer's Warranty 1-Year Limited Warranty