The Proof Research 300 PRC Sendero barrel combines advanced carbon fiber construction with precision engineering for exceptional accuracy and reduced weight. This 24-inch barrel features a 1:9 twist rate optimized for 300 PRC cartridges and 5/8-24 threading for muzzle device compatibility.Proof Research 300 PRC 24" Sendero profile barrel1:9 twist rate for optimal 300 PRC performance5/8-24 threaded muzzle for suppressors and brakesDefiance Ruckus shouldered prefit designCarbon fiber construction for weight reductionPremium steel core for accuracy and durabilityEngineered for precision rifle builds and long-range shooting applications this carbon fiber barrel delivers match-grade accuracy while significantly reducing overall rifle weight compared to traditional steel barrels.