Pete...I quess my point was that no Co. to date, that I know of, has made heavy .25 cal bullets other than Sierra, and they have a pretty good track record of making an accurate bullet.
If Brian Lutz can figgure one out for the .25, I`ll get a 7.5 twist barrel.
Good Luck with your tests.
i should mention this to you my 257 Roberts i built shoots 115 B.T. Noslers and 115 Berger bullets excellent 1/2-3/4 inch all day long with this new 7 1/2 twist,25 inch Brux barrel it is very impressive,if i played more with this 257 Roberts rifle it might even shoot better ? but its a hunting rifle so that`s good enough i am not hunting mice these 5 shot groups are good enough.
