One Horse Ar15 Complete Upper 7.5in 5.56 Nato. 5" 5.56 Nato then you've found yourself in the ideal location.. Developed using some of the very most durable and dependable resources around these AR15 Upper Receivers via One Horse provides you with a product that will give numerous years of stability. One Horse has been generating top quality products for a very long time and the One Horse Ar15 Complete Upper 7.5" 5.56 Nato is their particular approach to revealing exactly 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 7.5" 5.56 Nato is a thing that we are happy to offer. Specifications for One Horse Ar15 Complete Upper 7.5" 5.56 Nato: Manufacturer: One Horse Caliber: .223 Remington Barrel Length: 7.5 in Finish: Matte Color: Black Additional Features: 1-7in. Twist Dimensions: 3.15 X 3.30 X 25.60 mm Length: 25.6 in Width: 3.3 in Package Contents: One Horse Ar15 Complete Upper 7.5" 5.56 Nato