"Do all" 10.5" barrel?

[TheAlmightyBob]

I've got a 10.5" noveske that has cycles everything from 130 soft points, to 220gr mk. One good thing I think about this lenth I have found is that the 220gr pills only dropped an inch under the 130gr pills at 100 yards. I think that maybe because the barrel is so short, that its not burning all the powder in supersonic loads with while is enough to get them going supersonic, its just barely enough burn time to get them there.