25-300 winn mag.

[parkj5]

does anyone have any info on this cal. ? im thinking of a wildcat and i have alot of 300 winn mag brass.just looking for something dif.

 

[royinidaho]

Way too overbore.

Make it a 7mm if you have to do something. would be my recommendation.

 

[RockZ]

Check this out
Feisty Rooster.com .257/300 Win Mag

 

[parkj5]

4,000 fps is smoking.