22-250 ackly improved

[bruxie hill]

hi

thinking about a new barrel for my remmy 700 vssf in 22-250

pacnor is a possibility what i would like is any info on barrel lenth and how much improvment i could expect to get by doing this i am currently loading with 34.5 grn varget 55 grn v max to a velocity of 3535 fps

also any input on witch 6.5 as a stalking rifle 1 witch is easy to load and good ballistics dont mind fire forming but dont want to go down the road of necking down

all veiws kindly recieved

all the best bruxie