The Primary Weapons MK116 Upper is a versatile and reliable firearm component perfect for a wide range of applications. Featuring a 16.10-inch chrome-lined barrel made from durable 4140 steel this upper offers exceptional performance and accuracy. The 223 Wylde chamber ensures compatibility with a variety of ammunition maintaining effective lethality up to 500 meters. The black anodized receiver and matching handguard provide a sleek look while the 15.05-inch M-LOK handguards offer ample space for attachments. Equipped with flip-up front and rear sights the MK116 Upper is engineered for precision and adaptability.