The Seekins NX15 6mm ARC 18" Complete Upper is engineered for precision and performance, making it an ideal choice for competitive shooting and hunting. Featuring an 18-inch 1:7 twist 5R 416 stainless steel barrel, this upper ensures exceptional accuracy and consistency. The NX15 upper receiver is skeletonized for reduced weight without compromising durability, and it is paired with a 15-inch NOX MLOK handguard for versatile accessory mounting. The Seekins Low Profile Adjustable Gas Block ensures reliable cycling, while the black oxide finish provides a sleek and durable appearance. This complete upper is designed to deliver superior performance and accuracy in any shooting scenario.