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Rifles, Reloading, Optics, Equipment
Reloading
Flat base and boat tail
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<blockquote data-quote="Mikecr" data-source="post: 1213895" data-attributes="member: 1521"><p>It's not a myth. Flat base bullets do release cleaner. And since flat base bullets require lower stability factor and way less twist, they torque guns less. Of course they are typically lighter as well, and this contributes less recoil, and allows for shorter barrels with faster powders.</p><p>Clean release and faster powders work well in underbore cartridges to produce the ultimate work-around for a great number of internal ballistic variance. That work-around is very high peak pressures.</p><p>This makes flat base bullets easiest for precision(in the short range).</p><p></p><p>There are boat tail bullets of better quality than even famous custom FB bullets. Those lathe turned come to mind. They are for long range, and will never challenge FB bullets in the short range.</p><p></p><p>Remember this: it all begins with a bullet</p><p>You build your entire shooting system around a bullet. You don't usually swap back & forth between such an extreme as FB/BT bullets with a completed design. That said, I did so with a 223 in 14tw, which allows only 50gr bullets at sea level(where I'm at). I swapped from BTs to FBs and cut my grouping by 1/4 moa to 500yds. The biggest single improvement I've ever seen with a reloading adjustment.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1213895, member: 1521"] It's not a myth. Flat base bullets do release cleaner. And since flat base bullets require lower stability factor and way less twist, they torque guns less. Of course they are typically lighter as well, and this contributes less recoil, and allows for shorter barrels with faster powders. Clean release and faster powders work well in underbore cartridges to produce the ultimate work-around for a great number of internal ballistic variance. That work-around is very high peak pressures. This makes flat base bullets easiest for precision(in the short range). There are boat tail bullets of better quality than even famous custom FB bullets. Those lathe turned come to mind. They are for long range, and will never challenge FB bullets in the short range. Remember this: it all begins with a bullet You build your entire shooting system around a bullet. You don't usually swap back & forth between such an extreme as FB/BT bullets with a completed design. That said, I did so with a 223 in 14tw, which allows only 50gr bullets at sea level(where I'm at). I swapped from BTs to FBs and cut my grouping by 1/4 moa to 500yds. The biggest single improvement I've ever seen with a reloading adjustment. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Flat base and boat tail
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