Quote Originally Posted by majflyboy View Post
You shooting a Barretts??
I actually sold my big gun but still have my f class competition gun. The big gun was a 338 Allen Magnum. Basically it is a 375 Cheytac case necked down to a 338. It would push the 300 grain 338 caliber bullets around 3400-3500 fps. It has amazing ballistics...

338 Allen Magnum Parent case? - LongRangeHunting Online Magazine

DoubleG