Great Lakes Firearms GLFA AR-15 Complete Upper Receiver 223 Wylde 16" Black Nitride

This upper receiver is not only from GLFA's best selling rifle, it's damn good looking. It's extremely accurate, afforable, and made in Michigan! CALIBER: .223 Wylde [Accepts both .223 Rem and 5.56 NATO ammunition] ACTION: Semi-Automatic BARREL: 16"" x 1"", 1:8 Twist, 1/2 x 28 Threads, Carbine Gas System, .750 Gas Block, M4 Feed Ramps, Heavy Barrel, Available Nitrided or Stainless Steel HANDGUARD: 15.25"" Aluminimum M-Lok OVERALL LENGTH: 36.5" Mfg: Great Lakes Firearms And Ammun