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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Interesting lead free bullet design/concept
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<blockquote data-quote="azsugarbear" data-source="post: 2596647" data-attributes="member: 4809"><p>They probably were using mono's. But I also suspect they weren't shooting the typical hunting rounds you and I use. Those guys are shooting the big 375's and 416's. Their rifles typically weigh 20+ pounds with a rule restriction set at max 40 pounds. Their goal is not terminal performance, but precision accuracy. Not the typical hunting scenario faced by you an me. Mono's are usually lathe turned, so they are much more uniform - hence better accuracy. But those big .375 bullets have BC's in the .95 to 1.0 range. That's well above any bullet BC found in our 30 and 7mm calibers - lead or mono. That's why they are using them.</p><p></p><p>For example: The largest 30 cal bullet made by Hammer is their 277 gr. Hammer Hunter. The stated G7 BC for this bullet is .326 (G1 BC = .630). Cutting Edge's largest 30 cal bullet, the 240 gr. Lazer Tipped Hollow Point has a stated G7 BC of .358 (G1 BC = .692). On the other hand, the Berger 245 gr. Hybrid Target has a G7 BC of .433 (G1 BC = .846). That is the real life hunting world for guys like us.</p><p></p><p>Don't get me wrong, I love mono's. I have and shoot both Cutting Edge and Hammer bullets. But they have their limitations. Just run these bullets in a ballistics model and you will see what I mean. At 800 yds., the difference in speed retention, as well as wind deflection begin to separate the lead from the mono's.</p></blockquote><p></p>
[QUOTE="azsugarbear, post: 2596647, member: 4809"] They probably were using mono's. But I also suspect they weren't shooting the typical hunting rounds you and I use. Those guys are shooting the big 375's and 416's. Their rifles typically weigh 20+ pounds with a rule restriction set at max 40 pounds. Their goal is not terminal performance, but precision accuracy. Not the typical hunting scenario faced by you an me. Mono's are usually lathe turned, so they are much more uniform - hence better accuracy. But those big .375 bullets have BC's in the .95 to 1.0 range. That's well above any bullet BC found in our 30 and 7mm calibers - lead or mono. That's why they are using them. For example: The largest 30 cal bullet made by Hammer is their 277 gr. Hammer Hunter. The stated G7 BC for this bullet is .326 (G1 BC = .630). Cutting Edge's largest 30 cal bullet, the 240 gr. Lazer Tipped Hollow Point has a stated G7 BC of .358 (G1 BC = .692). On the other hand, the Berger 245 gr. Hybrid Target has a G7 BC of .433 (G1 BC = .846). That is the real life hunting world for guys like us. Don't get me wrong, I love mono's. I have and shoot both Cutting Edge and Hammer bullets. But they have their limitations. Just run these bullets in a ballistics model and you will see what I mean. At 800 yds., the difference in speed retention, as well as wind deflection begin to separate the lead from the mono's. [/QUOTE]
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Interesting lead free bullet design/concept
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