Got one on my 338 edge
300 wm
A prototype cut into the barrel of my 7wsm. A 5.56 and 7 MMRM
They work better than anything else I have ever seen or tired.


https://youtu.be/rSOlPdhxl0U

This is my 338 edge pushing 300 Berger’s at 2800fps.
Guns about 11 pounds.

Last edited by fredIII; 01/24/19.