Maxim Defense Industries PDX Complete Upper 5.56 NATO 5.5" Barrel, Black Anodized - MXM-47813

Maxim Defense Industries PDX Complete Upper Receiver assembly chambered in 5.56 NATO with a 5.5" barrel and black anodized finish. This upper is compatible with standard AR-15 rifle platforms and comes as a complete assembled unit ready for installation onto a compatible lower receiver.