08-14-2014, 01:40 AM
The 20 Grendel gets that kind of groups, and there is no neck turning needed! See 20 Grendel Discussion for a discussion.
I also ran the 60 gr Black Hole Hollow Point Rebated Boat Tail a couple of weeks ago and got similar accuracy. I will update that page when time permits.
Here's what it looks like with the 55 grain Black Hole Poly Tip Rebated Boat Tail:
![[Image: 20%20Grendel%20with%20BlackHole%20PolyTip%20RBT.jpg]](http://shootersnotes.com/pictures/20%20Grendel%20with%20BlackHole%20PolyTip%20RBT.jpg)
I'm pretty sure that one can run the Manson reamer into the 20 LBC chamber and you will be able to avoid the neck-turning.
I also ran the 60 gr Black Hole Hollow Point Rebated Boat Tail a couple of weeks ago and got similar accuracy. I will update that page when time permits.
Here's what it looks like with the 55 grain Black Hole Poly Tip Rebated Boat Tail:
I'm pretty sure that one can run the Manson reamer into the 20 LBC chamber and you will be able to avoid the neck-turning.