The PROOF Research AR-15 20" Rifle-Length Gas 6.5 Grendel 1:8 Stainless Steel Barrel is engineered for precision accuracy and lightweight performance. Crafted from match-grade 416R stainless steel, it ensures improved accuracy and reliability even in demanding environments. Its thin-contoured design reduces excess weight while maintaining strength, and the rifle-length gas system ensures safe operation under higher pressures. With a threaded muzzle, it offers versatility for the installation of various muzzle devices, making it an ideal choice for those seeking unparalleled performance in target shooting or hunting scenarios.