Thread: 9mm 124fmj-rn with HP-38 advice?
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Old 10-11-2018, 03:23 AM
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Hornady 4th Edition shows #3557 a 124GR FMJ-RN Ballistic Coefficient - 146, C.O.L. - 1.150 loaded at 4.7 to 5.3 GR of 231

Speer #10 shows a 125 GR JSP sectional density .142, Ballistic Coefficient- .150 loaded at 5.1 to 5.6 of 231
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