Noveske CHF Chrome Lined Basic 5.56 Barrel 14.5in Skinny Light Afghan Mid Length .750 Front Sight Base Headspaced Bolt 0. Noveske utilizes a cold hammer forged blank with a chromium chrome lined bore that is machined to tighter than SAAMI standards. This combination gives the shooter a brighter sight picture extends the lengths of the barrel and improves the strength. Fun fact: the hammer and firing pin marks on a Noveske barrel are heat soaked from the forge; during the cold hammering process tiny scratches and dents are part of the design. Each barrel is serial numbered a true measure of quality control and allows you to track your product over time. Specifications for Noveske CHF Chrome Lined Basic Barrel: Manufacturer: Noveske Color: Black Fabric/Material: Cold Hammer Forged Caliber: 5.56x45mm NATO Barrel Twist Rate: 1-7 Additional Features: .750 Front Sight Base Light Contour Firearms Threads Per Inch: 1/2x28 Package Contents: Noveske CHF Chrome Lined Basic Barrel Noveske 07000161: CHF Chrome Lined Basic 5.56 Barrel 14.5in Skinny Light Afghan Mid Length .750 Front Sight Base Headspaced Bolt