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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Let's argue about BC's
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<blockquote data-quote="Augustus" data-source="post: 474503" data-attributes="member: 10142"><p>The drops at 1000 yds of a .9BC bullet with a MV of 3250 and a bore ht. of 1.5 will be identical to a .8 BC bullet with a MV of 3250 and a bore ht. of 2.38. I am simply amazed that errors such as this are being made by bullet makers. Bryan Litz came out with an advertised BC of .9+ on the .338 300 gr. hybrid and as soon as it got into the hands of shooters it became painfully obvious that the .9 was wishful thinking. The HATS was hyped up to have BCs around 1.1, what a joke.</p><p> </p><p> It does not take a rocket scientist to take a projectile and do velocity and drop test that can be counted on to be replicated by the shooting public providing reasonable care is taken to insure all the inputs are correct.</p><p> </p><p>Paul, I do not mean to be rude and I appreciate your efforts in finding the input error and reporting it. I have always doubted the BC #S being floated around on some of the custom bullets. Always remember, when testing bullets if the BC results seem WAY to high, they are probably WAY to high and one should start checking things like MV, BORE HT, ZERO, UPDRAFTS, WEATHER INPUTS etc. anyway thanks for the transparency. That is a commodity in very short supply these days.</p></blockquote><p></p>
[QUOTE="Augustus, post: 474503, member: 10142"] The drops at 1000 yds of a .9BC bullet with a MV of 3250 and a bore ht. of 1.5 will be identical to a .8 BC bullet with a MV of 3250 and a bore ht. of 2.38. I am simply amazed that errors such as this are being made by bullet makers. Bryan Litz came out with an advertised BC of .9+ on the .338 300 gr. hybrid and as soon as it got into the hands of shooters it became painfully obvious that the .9 was wishful thinking. The HATS was hyped up to have BCs around 1.1, what a joke. It does not take a rocket scientist to take a projectile and do velocity and drop test that can be counted on to be replicated by the shooting public providing reasonable care is taken to insure all the inputs are correct. Paul, I do not mean to be rude and I appreciate your efforts in finding the input error and reporting it. I have always doubted the BC #S being floated around on some of the custom bullets. Always remember, when testing bullets if the BC results seem WAY to high, they are probably WAY to high and one should start checking things like MV, BORE HT, ZERO, UPDRAFTS, WEATHER INPUTS etc. anyway thanks for the transparency. That is a commodity in very short supply these days. [/QUOTE]
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Let's argue about BC's
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