Machined from 4140 Ordnance grade steel. Durable Black Oxide finished for years of use. Will not mar or damage exterior of upper receiver. Receiver mounted sights can be left installed. Can be...
Machined from 4140 Ordnance grade steel. Durable Black Oxide finished for years of use. Will not mar or damage exterior of upper receiver. Receiver mounted sights can be left installed. Can be...
These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced,...