The Rock River Arms Coyote Carbine Upper is expertly crafted to enhance your shooting experience with a robust .300 AAC Blackout caliber. Featuring a forged A4 upper receiver this carbine boasts a 16-inch chrome moly barrel with a 1:8 twist ensuring accuracy and reliability. The muzzle is equipped with the Smith Vortex flash hider which effectively reduces flash signature. Its low profile gas block pairs seamlessly with the RRA 12.5-inch lightweight free float rail designed with M-Lok compatibility for versatile accessory attachment. Complete with a bolt carrier group and charging handle assembly this upper provides precision and performance for your next shooting venture.