Yankee Hill AR-15 Smooth Carbine Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Product #: 276212 Yankee Hill #: YHM-7200 1/7" UPC #: 816701017786
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Product Information

The Yankee Hill AR-15 Smooth Carbine Upper Assembly come fully assembled and headspaced, ready to drop in on any standard AR-15 lower receiver. Upper assembly features a Mil-Spec 7075-T6 forged flattop upper and a 16" Chome-Moly barrel with Yankee Hill's Diamond Fluting which improves rigidity and increases surface area to speed barrel cooling. Upper also includes Yankee Hill Smooth Handguards which have feature a full length top rail and three 2.5" rail sections at the 3, 6, and 9 o'clock positions to allow the mounting of lights, lasers, and other accessories while still reducing weight and eliminating unused rail "real estate" at the rear of the handguard.

Technical Information
  • Upper Receiver Type: Mil-Spec 7075-T6 Forged Flat-Top
  • Barrel Length: 16" Fluted
  • Barrel Contour: Not listed by manufacturer
  • Barrel Material: Chrome Moly Steel
  • Muzzle Thread Pattern: 1/2"-28
  • Chrome Lined: Yes
  • Barrel Finish: Black Matte
  • Twist Rate: 1 in 7"
  • Chamber: 5.56x45mm NATO
  • M4 Feed Ramps: Yes
  • Muzzle Device: Phantom 5C2 Flash Hider
  • Gas System Length: Carbine
  • Gas Block Diameter: .750"
  • Handguard: Yankee Hill Smooth Free Float
  • Sights: Yankee Hill Front and Rear Flip Up
  • Bolt Carrier Assembly Included: Yes
  • Bolt Carrier Type: Commercial

Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

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