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160g SBT
.455 @ 2800 fps and above
.470 between 2800 and 2300 fps
.472 between 2300 and 1600 fps
.460 @ 1600 fps and below
If what I'm reading here is correct, the slower, to a point, the velocity the greater the ballistic coefficent.
If that is true, then an article I read in P.O. Ackley's mannual makes more sense. The author did a lot of bullet wounding for the army and found that lower verocity tended to increase penetration. That about what your saying here?
160g HPBT
.384 @ 2800 fps and above
.394 between 2800 and 1800 fps
.404 @ 1800 fps and below
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Hmm, looks that way. This data is from Sierras website.