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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Boat tailed bullets
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<blockquote data-quote="Eric Alexander" data-source="post: 2186255" data-attributes="member: 89813"><p>An amazing range of responses you arr getting. But bullets don't seal from the rear, they seal from the side so it's the walls of the bullet that are actually pushed into the grooves and lands to seal. Boat tails actually offer slightly more surface area than a flate base at the rear to absorb the heat of the combustion's flame front, tranferring heat into the bullet and away from the barrel. So, if anything, the BT design would delay erosion, not accelerate it. </p><p>But, truthfully, this very slight difference would be hard to measure, a de minimus experience. </p><p></p><p>This LR group is a different lot. 98% of rifle owners will not go through 6 boxes of ammo for their rifle. 1+% will. Only the remaining fraction of 1% will ever shoot out a barrel. </p><p></p><p>If you are a LR hunter, high BC bullets (all boattails) are important cuz they carry more energy further with less drop. Personally, I appreciate them because we can do more with less when it comes to LR hunting. Under 200 yds everything works.</p></blockquote><p></p>
[QUOTE="Eric Alexander, post: 2186255, member: 89813"] An amazing range of responses you arr getting. But bullets don’t seal from the rear, they seal from the side so it’s the walls of the bullet that are actually pushed into the grooves and lands to seal. Boat tails actually offer slightly more surface area than a flate base at the rear to absorb the heat of the combustion’s flame front, tranferring heat into the bullet and away from the barrel. So, if anything, the BT design would delay erosion, not accelerate it. But, truthfully, this very slight difference would be hard to measure, a de minimus experience. This LR group is a different lot. 98% of rifle owners will not go through 6 boxes of ammo for their rifle. 1+% will. Only the remaining fraction of 1% will ever shoot out a barrel. If you are a LR hunter, high BC bullets (all boattails) are important cuz they carry more energy further with less drop. Personally, I appreciate them because we can do more with less when it comes to LR hunting. Under 200 yds everything works. [/QUOTE]
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Boat tailed bullets
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