Thread: Litz - Ballistic Performance of Rifle Bullets 3rd Ed

Originally Posted by blair993

The only way to get a true BC for your rifle is to shoot to distance from your rifle and true your data to suit. AB have already started to notice big shifts in BC in rifles as they wear let alone between different twist rates and barrel types.

@blair993, when you say "barrel type" what would cause changes ? Length obviously, but that is captured in the MV parameter.

I was under the impression that most of the ballistic calculator engines take twist rate into effect. You can enter the rifle's specific twists rate in the firearm profile.

Not sure how much of an effect that has in real life, will do some messing around with 308 in 1:12 and 1:10 and see if the solutions are different...