- Silent But Deadly
- Posts: 2968
- Joined: Fri Oct 30, 2009 7:03 am
- Location: East Tennessee
I had my first keyhole with the 3.5” barrel. It does not like 225g Hornady at well below 900 fps. I pulled it until I can build another barrel. Right now I have a 16” McGowen barrel in it. It is showing some real promise accuracy wise.