Wheeler ar15 reciever lapping tool - Wheeler Fine Gunsmith Equipment AR 15 Receiver Lapping Tool

I'm building a ar15 and I wanted to square up the receiver, I purchased the wheeler receiver lapping kit that I order threw Optics Planet which I received in just a couple days , I was able to square up the receiver very fast and it was easy to use. The Wheeler lapping tool worked great and I got it at a great price.