WTB - SIG SAUER Model 556 Upper Receiver
I'm looking to buy an upper receiver for a SIG Model 556 rifle in 5.56 NATO. I prefer new but after searching for an upper for close to two years, I doubt that a new one actually exists. At the very least, it must be in good conditions with no cracks, bulges, large dents, etc. A complete upper receiver is preferred but it is not absolutely necessary. I will take a stripped upper if that is all you have. Thank you for taking the time to read this.