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    Question about twist rates and twist rate calculators

    Long story short I built a 1:9 22-250AI. Yeah, yeah, yeah, 1:9 for this cartridge isn't ideal, but the .223 barrel I reamed out was cheap. anyway, it shoots the 75gr ELDM's really well at decent velocities (3250fps), however when I start using the Berger twist rate calculator is it marginal at...
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