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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does "anyone" ever take Sectional Density into consideration!!
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<blockquote data-quote="turkn8r1" data-source="post: 1539387" data-attributes="member: 52709"><p>Sectional density and the ability to cause acceptable damage for a clean ethical kill are 2 totally different things at any range regardless of caliber ( for the most part ). A target bullet with an exceptional BC and coefficient will kill paper and knock paint off steel at long or close ranges however the may or may not humanely dispatch a game animal at those same ranges. Projectile design I.E. materials used, hydrolic actions. weight retention, energy transfer and the range of speeds ( high end and low end ) at which all this will take place in a sufficient manner are the numbers that matter in this situation. This is just my opinion and is only given to try and add something to this discussion. I think that is really what we are talking about. I have personally witnessed high BC/sectional density bullets explode on impact inside 400 yards at hyper speeds. I have also seen that same bullet perform as advertised at lower speeds or in the same rifle at longer distances when the speed has slowed down sufficiently for the bullet to hold together. I have also witnessed the same with a different design that at closer ranges at hyper velocities fly through like an fmj and only provide expected performance when they slow down enough. When selecting a bullet I always try to determine first what the intended purpose of the bullet is for my application. If it is for hunting I have to take into account which rifle it will be used in. ( my go to rifle is a 30-378 wby mag ). I also hunt with several other rifles in different calibers. If it is a barrel burner which bullet characteristics will give me best performance throughout any range I may shoot it. Sometimes bc and sectional density have nothing to do with the decision. I do try to use the highest bc available that meets that criteria. Sometimes it requires heavier bullets than I prefer but that can all be accounted for. Sorry for the long post and it is not all inclusive but I think it applies here.</p></blockquote><p></p>
[QUOTE="turkn8r1, post: 1539387, member: 52709"] Sectional density and the ability to cause acceptable damage for a clean ethical kill are 2 totally different things at any range regardless of caliber ( for the most part ). A target bullet with an exceptional BC and coefficient will kill paper and knock paint off steel at long or close ranges however the may or may not humanely dispatch a game animal at those same ranges. Projectile design I.E. materials used, hydrolic actions. weight retention, energy transfer and the range of speeds ( high end and low end ) at which all this will take place in a sufficient manner are the numbers that matter in this situation. This is just my opinion and is only given to try and add something to this discussion. I think that is really what we are talking about. I have personally witnessed high BC/sectional density bullets explode on impact inside 400 yards at hyper speeds. I have also seen that same bullet perform as advertised at lower speeds or in the same rifle at longer distances when the speed has slowed down sufficiently for the bullet to hold together. I have also witnessed the same with a different design that at closer ranges at hyper velocities fly through like an fmj and only provide expected performance when they slow down enough. When selecting a bullet I always try to determine first what the intended purpose of the bullet is for my application. If it is for hunting I have to take into account which rifle it will be used in. ( my go to rifle is a 30-378 wby mag ). I also hunt with several other rifles in different calibers. If it is a barrel burner which bullet characteristics will give me best performance throughout any range I may shoot it. Sometimes bc and sectional density have nothing to do with the decision. I do try to use the highest bc available that meets that criteria. Sometimes it requires heavier bullets than I prefer but that can all be accounted for. Sorry for the long post and it is not all inclusive but I think it applies here. [/QUOTE]
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Does "anyone" ever take Sectional Density into consideration!!
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