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Hunting
The Basics, Starting Out
CALIBER CHOICES
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<blockquote data-quote="Mysticplayer" data-source="post: 52010" data-attributes="member: 8947"><p>Would like to step in and offer a compromise. Based on what we know today and how we make stuff, the above is "correct". However, change the parameters (rules) and you change the result.</p><p></p><p>The one thing that doesn't change...much, are the laws of physics. Aerodynamics doesn't care how you part the air. It does react basically the same. </p><p></p><p>So, refer to ballistic programs and add in different parameters like BC, vel, and range. You will see the affect of all of these on the energy and vel. at the impact range. They are interconnected and all are a compromise. You will find that high BC will have a tremendous effect on retained energy, impact vel, and wind drift. You can't launch a blunt object fast enough to be of any use at long range.</p><p></p><p>With high BC bullets from 7mm to 338 and with the muzzle vel. we are using, any critter we hit is going to die and quickly. The compromises are the max range and size of game you intend to shoot at. Also recoil, rifle weight, cost and personal preference, are all deciding factors.</p><p></p><p>This thread started by asking what to choose in a calibre. My answer is choose the largest case and longest barrel to launch the highest BC bullet at 2900fps and above accurately. When you factor in rifle weight, cost and recoil, your choices will quickly reduce to the few that are mentioned here lots. When they figure how to build bullets out of another lighter material, the whole mess change again.</p><p></p><p>Good luck...</p><p></p><p>Jerry</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 52010, member: 8947"] Would like to step in and offer a compromise. Based on what we know today and how we make stuff, the above is "correct". However, change the parameters (rules) and you change the result. The one thing that doesn't change...much, are the laws of physics. Aerodynamics doesn't care how you part the air. It does react basically the same. So, refer to ballistic programs and add in different parameters like BC, vel, and range. You will see the affect of all of these on the energy and vel. at the impact range. They are interconnected and all are a compromise. You will find that high BC will have a tremendous effect on retained energy, impact vel, and wind drift. You can't launch a blunt object fast enough to be of any use at long range. With high BC bullets from 7mm to 338 and with the muzzle vel. we are using, any critter we hit is going to die and quickly. The compromises are the max range and size of game you intend to shoot at. Also recoil, rifle weight, cost and personal preference, are all deciding factors. This thread started by asking what to choose in a calibre. My answer is choose the largest case and longest barrel to launch the highest BC bullet at 2900fps and above accurately. When you factor in rifle weight, cost and recoil, your choices will quickly reduce to the few that are mentioned here lots. When they figure how to build bullets out of another lighter material, the whole mess change again. Good luck... Jerry [/QUOTE]
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