Where does 6mm GT fit in the discussion?

I?m doing a build with Short Action Customs with a goal of shooting in mid-range F class with the ability of going to 1000 yards.

6mm GT and 6.5 CM are the two calibers I?m looking at. I have a 260 Rem already but more of a cross over target/hunting rifle.

Prefer something with factory ammo since I?m not doing much reloading these days.


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