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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
ballistic coefficients?
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<blockquote data-quote="Jeff In TX" data-source="post: 27959" data-attributes="member: 1522"><p>Brent,</p><p></p><p>You may be right on the 1" artillery round being the foundation for the G1 drag model. I've got a half dozen articles on BC's that I've saved over the years and each has there own basis for a starting point.</p><p></p><p>I use the RSI Ballistic program. I've found it superior to any other program on the market as long as I do my part and input the data correctly.</p><p></p><p>I shoot at TacPro here in TX, which is 1000-yard range. I keep my actual data and compare it to the program. It's so close it's scary. I'm extremely confident when I go on the road for a hunt or competition that when I make my environmental changes, I'm pretty close to dead on at distances out to 750 and 800 yards.</p><p></p><p>I'm starting the range work up on my .308, which I just had rebarreled with a Mike Rock barrel. Initial results from the first 20 rounds of Hornady 168 AMAX ammo was 2 5-shot groups at 100 yards in the mid .3's and low .4's. Not to bad starting out.</p><p></p><p>Have a great weekend.</p></blockquote><p></p>
[QUOTE="Jeff In TX, post: 27959, member: 1522"] Brent, You may be right on the 1" artillery round being the foundation for the G1 drag model. I've got a half dozen articles on BC's that I've saved over the years and each has there own basis for a starting point. I use the RSI Ballistic program. I've found it superior to any other program on the market as long as I do my part and input the data correctly. I shoot at TacPro here in TX, which is 1000-yard range. I keep my actual data and compare it to the program. It's so close it's scary. I'm extremely confident when I go on the road for a hunt or competition that when I make my environmental changes, I'm pretty close to dead on at distances out to 750 and 800 yards. I'm starting the range work up on my .308, which I just had rebarreled with a Mike Rock barrel. Initial results from the first 20 rounds of Hornady 168 AMAX ammo was 2 5-shot groups at 100 yards in the mid .3's and low .4's. Not to bad starting out. Have a great weekend. [/QUOTE]
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