I have used x39, 300 and 6.5G and suggest the 6.5 will work subsonic but you will be restricted to light/hard bullets that may not work well at subsonic velocities.
There are so many great bullets...
Type: Posts; User: 300CALMAN
I have used x39, 300 and 6.5G and suggest the 6.5 will work subsonic but you will be restricted to light/hard bullets that may not work well at subsonic velocities.
There are so many great bullets...