One Horse Ar15 Complete Upper 16in 300Aac. . These AR15 Upper Receivers through the skilled product specialists at One Horse are fashioned by using long lasting and reliable components as a way to provide you with a product which will be beneficial for a long time. Manufactured utilizing some of the best attainable components and design these AR15 Upper Receivers from the product specialists at One Horse will last an incredibly long time. One Horse has been developing superior quality merchandise for a number of years and the One Horse Ar15 Complete Upper 16" 300aac is their way of showing you how much they care. Here at OpticsPlanet we make it our obligation to purchase the perfect product for all your needs and showcasing the One Horse Ar15 Complete Upper 16" 300aac is something that we're delighted to offer. Specifications for One Horse Ar15 Complete Upper 16" 300aac: Manufacturer: One Horse Caliber: .300 AAC Blackout Barrel Length: 16 in Finish: Matte Color: Black Fabric/Material: Steel Additional Features: 1-7in. Twist Package Contents: One Horse Ar15 Complete Upper 16" 300aac