The Wilson Combat TR-556RCIG16RT8 is engineered for unmatched performance and accuracy in custom AR-15 rifles. With nearly 20 years of expertise in producing tactical firearms, this precision barrel is designed to elevate your shooting experience. Crafted from premium 416R stainless steel, each match-grade barrel undergoes meticulous construction and rigorous inspection to guarantee its reliability and service life. Experience the unparalleled durability and precision that only Wilson Combat can deliver. 5.56 NATO Matte Bead-Blasted Stainless ".750" Diameter by .920" Length - Dimpled for Set Screw" Stainless Steel, Type 416R, Barrel Grade "1/2" x 28 Muzzle threads" Recon Tactical Barrel Profile 1:8, Precision Button Rifling Intermediate Length Gas System