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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30-378 velocity
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<blockquote data-quote="rocky_lange" data-source="post: 194179" data-attributes="member: 10087"><p>That seems extremely fast. Hodgdon load data for 180gr SPR SPBT with 113C gr Retumbo shows 3460fps. For 190gr HDY SPBT with 111.5C gr Retumbo shows 3374fps. (26" 1 in 10" twist)</p><p> </p><p>My results for 168gr Barnes TSX with 114gr Retumbo averaged at 3526fps, no preasure signs. (28" 1 in 10" twist)</p><p> </p><p>I don't see how 107gr could get that big of a bullet to go that fast. One of our chronies is off.</p><p> </p><p>Rocky</p></blockquote><p></p>
[QUOTE="rocky_lange, post: 194179, member: 10087"] That seems extremely fast. Hodgdon load data for 180gr SPR SPBT with 113C gr Retumbo shows 3460fps. For 190gr HDY SPBT with 111.5C gr Retumbo shows 3374fps. (26" 1 in 10" twist) My results for 168gr Barnes TSX with 114gr Retumbo averaged at 3526fps, no preasure signs. (28" 1 in 10" twist) I don't see how 107gr could get that big of a bullet to go that fast. One of our chronies is off. Rocky [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30-378 velocity
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