Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB 1-7 Twist Rate 1/2x28 TPI Black. 56mm 11.5in Lighweight Barrel w/FSB then you have found yourself in the ideal place.. These AR15 Barrels through the skilled product professionals at Luth-AR are made working with heavy duty and dependable materials in order to provide you with product which will be effective for countless years. Manufactured using some of the very best attainable materials and engineering these special AR15 Barrels from the product specialists at Luth-AR can last an unbelievably long time. Luth-AR has been generating top quality merchandise for a number of years and the Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB is their particular approach to revealing just how much they care. At OpticsPlanet we make it our responsibility to purchase the perfect product for all of your preferences and featuring the Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB is a thing that we are happy to offer. Specifications for Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB: Manufacturer: Luth-AR Color: Black Finish: Mag Phosphate Fabric/Material: 4150 Chrome Moly Barrel Length: 11.5 in Barrel Profile: Light Weight Gas System Length: Carbine Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-7 Flutes: No Gun Make: AR Platform Gun Model: AR-15 Weight: 1.78 lb Package Contents: Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB Front sight base Handguard cap Barrel nut installed What firearm models does the manufacturer say Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB is compatible with? The manufacturer suggests that Luth-AR 5.56mm 11.5in Lighweight Barrel w/FSB is compatible with AR-15Luth-AR BL-F11-7: 5.56mm 11.5in Lighweight Barrel w/FSB 1-7 Twist Rate 1/2x28 TPI Black