The Upper Receiver Rod (URR) from Midwest Industries is an American-made, inside-the-receiver vice block that is designed to service AR-15-type carbines ... on the task at hand—whether loosening ...

The purchase of a good AR-15 is a more ... The forged 7075-T6 flat top upper receiver sports a forward assist and a dust cover. The 4150 Steel barrel features 1:7” right hand rifling, an M4 ...

They sell a product that enables the home user to cast an AR-15 receiver out of high performance resin. In the process they made a really informative three part video on the casting process.