I’m a man on a mission. A special tools mission that is. I guess it started with my first action block. A polymer affair that clamshelled over a standard flat top upper. As soon as it arrived, I eagarly invited a friend over to assemble his box of AR parts so we could try out my new tool. He brought all the pieces including a Noveske barrel, the necessary gas block bits, and a non mil spec upper receiver. Which is where the problems started…

We quickly found out that the fancy polymer action block I purchased didn’t fit the non …read more