The LWRC REPR MKII 7.62mm NATO 20" Complete Upper Receiver in Patriot Brown is designed for shooters who prioritize precision and versatility. This California-compliant upper features a 20-inch spiral fluted barrel with a 1:10 twist rate, ensuring exceptional accuracy and consistency. The 5/8x24 threaded muzzle allows for the attachment of various muzzle devices and suppressors, enhancing adaptability. The Patriot Brown finish not only adds durability but also provides a distinctive, tactical look. Compatible with LWRC lower receivers, this complete upper assembly is perfect for upgrading your rifle with advanced craftsmanship and cutting-edge technology.