The Wilson Combat TR-300RCPG16RT7 is your ultimate choice for a custom tactical AR-15 rifle, featuring nearly two decades of expert craftsmanship in match-grade barrels. Engineered for exceptional accuracy, reliability, and durability, this barrel is meticulously crafted from premium American-made 416R stainless steel, ensuring it meets rigorous specifications for performance. Caliber: 300 AAC Blackout Finish: Matte Bead-Blasted Stainless Dimensions: .750" Diameter, .920" Length - Dimpled for Set Screw Gas System: Pistol Length Overall Length: 16" Barrel Material: Stainless Steel, Type 416R Muzzle Threading: 5/8" x 24 Profile: Recon Tactical Rifling: 1:7 RH, Six Groove, Precision Button Rifling Elevate your build with Wilson Combat's commitment to excellence and precision.