this is a good example of a mid weight 340 gr conical from a .45 cal 1:30. and i have seem some excelent results from cayugad with his .45 cal 1:20 twist white with .488 gr conicals. Green mountain barrels site list the .45 replacement barrel in the title as 1:30 and on the item as a 1:28 lol. i am confused. so what do you think would be the difference between a .45 cal 1:28 VS 1:30?http://www.huntingnet.com/forum/blac...their-45s.html i might also ad CVA .45's are 1:28 now. Ray