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Hunting
The Basics, Starting Out
Need some advice on a new rifle
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<blockquote data-quote="DZelenka" data-source="post: 593733" data-attributes="member: 20543"><p>Not quite. You really have to look at the ballistic coefficient of the various bullets and their muzzle velocity to determine which will hold the wind better. There is a rule of thumb though - for any given bullet weight, the smaller diameter one of identical construction should have the highest BC and if all bullets are started at the same velocity, should hold the wind and retain both energy and velocity best. It will also have greater sectional density and therefore penetrate more.</p><p> </p><p>To make a real determination, you need to compare achievable velocities with each bullet weight and their BCs. Looking at their 500 yards retained velocity and wind drift will tell you more than their muzzle velocities. You will be surprised what the 6.5x284 can do with a 140 gr bullet.</p><p> </p><p>If recoil isn't a factor, I would probably pick the 7 WSM or 6.5x284, but you really can't make a truly bad decision with any of the three.</p></blockquote><p></p>
[QUOTE="DZelenka, post: 593733, member: 20543"] Not quite. You really have to look at the ballistic coefficient of the various bullets and their muzzle velocity to determine which will hold the wind better. There is a rule of thumb though - for any given bullet weight, the smaller diameter one of identical construction should have the highest BC and if all bullets are started at the same velocity, should hold the wind and retain both energy and velocity best. It will also have greater sectional density and therefore penetrate more. To make a real determination, you need to compare achievable velocities with each bullet weight and their BCs. Looking at their 500 yards retained velocity and wind drift will tell you more than their muzzle velocities. You will be surprised what the 6.5x284 can do with a 140 gr bullet. If recoil isn't a factor, I would probably pick the 7 WSM or 6.5x284, but you really can't make a truly bad decision with any of the three. [/QUOTE]
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Need some advice on a new rifle
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