The Yankee Hill Diamond Free-float Hand guard uses a unique latticework diamond patten for its vents which gives a distinctive look and results in great ventilation. This keeps your weapon and supporting hand cooler whilst reducing weight. Four, full-length MIL-sTD 1913 Picatinny rails give the maximum flexibility in accessory placement. The top rail is extended all the way back to the flat-top receiver to give an uninterrupted mounting surface. The slots on the Yankee Hill quad rail hand guard are alphanumberically numbered to enable return of accessories to their correct locations. This AR quad rail is threaded to accept the Yankee Hill screw in end cap which can be purchased seperately. All fixings are provided, including a barrel nut, jam nut and anti-rotation screws to prevent the handguard from moving. The Yankee Hill Quad Rail is machined from 6061 T-6 aluminum and Type III hard anodized in matte black for corrosion and abrasion protection. The quad rail handguard comes with jam nut, barrel nut and anti-rotation screws to ensure handguard stays locked in place. The Yankee Hill Diamond Handguard is available in four lengths.
Carbine – 7¼” (23.5cm) OAL, 2½” (6.4cm) dia. 12.5 oz. (354g) weight. Fits AR-15/M16 with carbine-length gas system.
Mid-Length – 9¼” (23.5cm) OAL, 2½” dia. 15.2 oz. (431g) wt. Fits AR-15/M16 with mid-length gas system.
Specter – 9¾” (24.8cm) OAL, 2½” dia. 16.1 oz. (456g) wt. Fits AR-15/M16 with carbine-length gas system and covers gas block when installed.
Rifle – 12½” (31.8cm) OAL, 2½” dia. 16.6 oz. (471g) wt. Fits AR-15/M16 with rifle-length gas system
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