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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help me choose a Hammer bullet
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<blockquote data-quote="Elkeater" data-source="post: 2683364" data-attributes="member: 103670"><p>I would choose based on your maximum desired range. Basically the way I did it was decided I didn't want to shoot past 600 yards on animals. So I said ok I need to get to 600 yards with the minimum 1800fps velocity to expand a hammer. Then I looked at the expected velocity for the cartridge I was using and picked the lightest bullet I could to keep BC high enough to get there. </p><p></p><p>For example in my 7-08ai I thought I could reasonably get a 140gr absolute hammer to 2900-2950 fps so I ran those numbers in My ballistics calculator and came up with 1800fps past 600 yards. But the 130s at 3100 were a little closer to 1800 fps impact velocity than I wanted to I opted to start a 140gr a little slower but be confident at 600 yards with better retained velocity and wind drift. FWIW I drive those 140gr absolutes over 3k.</p></blockquote><p></p>
[QUOTE="Elkeater, post: 2683364, member: 103670"] I would choose based on your maximum desired range. Basically the way I did it was decided I didn’t want to shoot past 600 yards on animals. So I said ok I need to get to 600 yards with the minimum 1800fps velocity to expand a hammer. Then I looked at the expected velocity for the cartridge I was using and picked the lightest bullet I could to keep BC high enough to get there. For example in my 7-08ai I thought I could reasonably get a 140gr absolute hammer to 2900-2950 fps so I ran those numbers in My ballistics calculator and came up with 1800fps past 600 yards. But the 130s at 3100 were a little closer to 1800 fps impact velocity than I wanted to I opted to start a 140gr a little slower but be confident at 600 yards with better retained velocity and wind drift. FWIW I drive those 140gr absolutes over 3k. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Help me choose a Hammer bullet
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