Retro-Arms is all about bringing you the best in old-school builds and classic styling for your rifles. The A1 slick side upper receiver is made for fans who want that real vintage look, but still want excellent modern function. Here, you'll find everything you need to know about this legendary upper and how it can become the heart of your next retro project. If you love rifles that tell a story, the A1 slick side upper receiver is a must-have part. This was the kind of upper used in early military rifles, before the extra buttons and features showed up. It's clean, simple, and pure classic. The retro AR-15 upper receiver is designed to be just like those early uppers, giving you that authentic old-school shape and style. The neat, smooth lines on this AR-15 slick side upper make any rifle look true to history. FeaturesFixed carry handle just like the originals.No forward assist for a pure appearance.No shell deflector for the true "slick side" style.Forged for strength and a classi...