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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
100 Ballistic tip at 3400fps for deer
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<blockquote data-quote="Lefty7mmstw" data-source="post: 721387" data-attributes="member: 48043"><p>same with the 280 and 7mag. My 7rem is not a heck of a lot faster with a given bullet than the 280. It is a diminishing returns thing. You simply have to step up A LOT to get that much more benefit from the bigger case. That said, I don't have many standard cals. because the mags. ARE faster, if only be 100 or 200 fps. Use slower powders for the cal. and stay on the heavier bullet side and you will get more gain from your mag. rifle. </p><p>P.s., I have 2 sporter 270's with 22" tubes and they will do 3K fps with 130's accurately and within book charges. You should be able to hit 3100-3200 fps with rl25 or retumbo in the 264 with your 130's. Hodgdon data tops at 67.5 gr at 3171 fps with retumbo and a 129 hdy. Nos data has the 130 a-bond at either 61.0 of rl22 or 7828 for about 3150 fps. I don't see rl25 data right now but I'm sure some could be scrounged up for you if you need it.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 721387, member: 48043"] same with the 280 and 7mag. My 7rem is not a heck of a lot faster with a given bullet than the 280. It is a diminishing returns thing. You simply have to step up A LOT to get that much more benefit from the bigger case. That said, I don't have many standard cals. because the mags. ARE faster, if only be 100 or 200 fps. Use slower powders for the cal. and stay on the heavier bullet side and you will get more gain from your mag. rifle. P.s., I have 2 sporter 270's with 22" tubes and they will do 3K fps with 130's accurately and within book charges. You should be able to hit 3100-3200 fps with rl25 or retumbo in the 264 with your 130's. Hodgdon data tops at 67.5 gr at 3171 fps with retumbo and a 129 hdy. Nos data has the 130 a-bond at either 61.0 of rl22 or 7828 for about 3150 fps. I don't see rl25 data right now but I'm sure some could be scrounged up for you if you need it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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100 Ballistic tip at 3400fps for deer
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