6.5 Grendel PTG Reamer

[customcutter]

After measuring all of mt Liberty barrels with the provided bolts, they all passed the Go and No-Go Manson Gauge tests. Bolt and chambers all locked and the bolts turned with the Go gauge and it did not lock with the No-Go gauge, basically meaning the chamber is ok with the bolt headspace.

Now I wanted to test the throat. I was looking for a gauge to measure the Grendel Throat but couldn't find one for that caliber and I saw companies make them for the popular 223, .762 and 30-06. During the Google search, I looked thru PTG and there reamers (link attached) . https://shop.pacifictoolandgauge.com/ind...vljb0lf176

Looking at the image of the reamer (enlarge image), you can see there is not any freebore and the decreased size right after the dimension of the case cut. This is where I'm seeing the issue presented of bullets making contact in the throat.

If the PTG reamer is correct, which I assume it is, no wonder the bullets are touching the throat. I just wanted to pass along the image of the reamer so you might understand the design.

News to me and wanted to share the link.

I looked at the picture in the link. I also looked at the picture of the reamers for some of the other calibers (5-6), and they look like the same photo. I'm not sure that is the picture of an actual 6.5 grendel reamer. All of them had "4/13" printed on the reamers. Don't know if it means anything or not.