300 win mag?

[TennBuck]

whats your best factory ammo, group wise? whats your group size 100/200?

 

[JimFromTN]

The best factory ammo that mine shot was some really cheap Estate Cartridge ammmo. Unfortunately, they don't make it anymore. They used to carry it at the Reloaders Bench for around $20 a box. I was getting 1/2 inch groups at 100 yds.